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| Subject | Date Asked | Expert |
| America's First Ladies | 9/4/2006 | Mark Leon |
| Q: I found (at my parents' home) a collection which I had as a child. It was marketed by Postal ... A: Thomas, The Postal Commemorative Society sold stamps and covers (envelopes with stamps affixed) to ... | ||
| walt disney | 9/3/2006 | Mark Leon |
| Q: i have a walt disney 6 cent stamp, what year were they made and how can i find the value of it. it ... A: Louann, The six cent Disney was first issued on September 11th, 1968. Its a fairly common stamp. ... | ||
| 1809 george washington 3 cent stamp | 9/1/2006 | Mark Leon |
| Q: Mark can you please tell me the aprox value of a 1809 george washington 3 cent stamp. the stamp if ... A: Scott, The first US stamps were issued in 1845, so I will need to see a scan of your stamp to ... | ||
| Getting started again | 9/1/2006 | Mark Leon |
| Q: I am thinkng of taking up the hobby again. When I was younger I collected Canadian stamps by mail ... A: Barry, Stamps on approval still exists, but its a very expensive and slow way to collect. I'd ... | ||
| stamps | 8/31/2006 | Mark Leon |
| Q: Yes i have some old stamps,one with jefferson and the other with john adams.where do i find out what ... A: Brenda, Bring your stamps to the library and ask at the reference desk for the Scott Specialized ... | ||
| us internal revenue stamp | 8/31/2006 | Mark Leon |
| Q: just wondring if I had any thing of value it says documentry on it and the cost was one dollar, and ... A: David, There are more than a dozen different documentary revenue stamps denominated $1. If you can ... | ||
| Internal Rev. propietary stamp | 8/30/2006 | Mark Leon |
| Q: I have a perfume bottle with a 2 cent green stamp on the bottom. Stamp is labled U.S Internal Rev. ... A: John, I received the photo. The stamp affixed was issued during the period 1875 to 1881. It ... | ||
| Value of sets | 8/30/2006 | Mark Leon |
| Q: I have the United States Postal Service Mint Set of Commemortive Stamps for 1978 and 1979. Can you ... A: Betty, USPS mint sets (with folders) from the 1970's are actually the most common. My 2004 ... | ||
| stamp values on first day issues | 8/30/2006 | Mark Leon |
| Q: I have been searching for some information about some first day issue envelopes that I have with not ... A: K, The 5c Roosevelt FDC should be dated 1946, not 1949. If 1946, it has a catalog (retail) value ... | ||
| 1933-1945 Stamp collection, complete | 8/26/2006 | M Gross |
| Q: Six years ago, I completed a collection of every German stamp and blocks of the NS period in mint, ... A: A complete MNH collection of the NS time might have quite a value (depending on which blocks and ... | ||
| Internal Revenue Stamp | 8/26/2006 | Mark Leon |
| Q: There is no 1914 on the stamp. It is used, but in very good condition. It is hand stamped. ... A: Diane, Then it is R244 for sure, providing it is not overprinted with any other text, such as ... | ||
| 1867?? | 8/25/2006 | Mark Leon |
| Q: hi i got a 1867 or a reissuie washington brownish red or scarlet not sure ?? and not sure which ... A: Bob, I'd recommend bringing the stamp to your local stamp club meeting and have an experienced ... | ||
| 8 cent postcards | 8/25/2006 | Mark Leon |
| Q: I have found in my mothers old desk 31, unused, postcards prestamped with 8 cent, and Samuel Adams ... A: Mary, Your cards are pretty common, as postal cards go. Its not a popular area of philately, so ... | ||
| yearly collector album | 8/25/2006 | Mark Leon |
| Q: first let me thank you for making you expertise available. You serve a very great need. I have ... A: Diane, Yes, in fact the Brookman catalog lists dealer retail values for all the USPS year sets with ... | ||
| Inventory question | 8/25/2006 | Mark Leon |
| Q: When using the EzStamp software program to inventory stamps, I have come across some CTO's and have ... A: Mona, I've managed to avoid this particular controversy because I collect only United States, and ... | ||
| japanese stamps | 8/25/2006 | Mark Leon |
| Q: i have aquired many world war II japanese postage stamps i would like to know who to contact to find ... A: Shirley, My expertise is in United States stamps, but you can find the value of all your stamps at ... | ||
| USPS VS SCOTT STAMP NUMBERS | 8/24/2006 | Mark Leon |
| Q: IS THERE AN AVAILABLE REFERENCE WHICH GIVES USPS TO SCOTT CONVERSION ? A: Robert, Do you mean USPS' product code numbers? Because to my knowledge, the USPS does not have a ... | ||
| valve of USPS Revel block | 8/24/2006 | Mark Leon |
| Q: what is the value of a block of 100 mint $1.00 Bernard Revel stamps? A: LeeLee, I assume you have a mint sheet with all the selvage attached. "Block of 100" would refer to ... | ||
| Internal Revenue Stamp | 8/23/2006 | Mark Leon |
| Q: We found a blue stamp 1 1/4 inches high by a little over 3/4 inches wide. the centeris oval and has ... A: Diane, Your stamp is either Scott number R220 or R244, depending on whether "Series 1914" is ... | ||
| First day envelopes and corners | 8/23/2006 | Mark Leon |
| Q: and thanks for making your expertise available. I now live in London, Ontario, Canada, near ... A: Ross, Most of your covers are common, with a catalog (retail) value of $1 or so. The early flight ... | ||
| information on stamp | 8/23/2006 | Mark Leon |
| Q: I have a 2 cent USA stamp with 'FREEDOM TO SPEAK OUT- A ROOT OF DEMOCRACY' written on it. Can you ... A: Judith, The two cent is a low denomination from the Americana issue of 1975 to 1981. The 25 cent ... | ||
| stamp dealer | 8/23/2006 | Mark Leon |
| Q: My husband and I have a large amount of stamps. Years of first day covers and many more stamps. We ... A: Shinae, I suggest getting in touch with the president of your local stamp club and ask if there is ... | ||
| book | 8/22/2006 | Peter Lang |
| Q: My name is Kate Kirby and I am the editorial director at Quarto Publishing. Quarto Publishing ... A: My personal collection isn't about dance but I can organize to get some stamps and scan it. How many ... | ||
| value of old stamp | 8/22/2006 | Mark Leon |
| Q: I found this stamp in an old bible of my father's. It's a purple 3 cent stamp with United States ... A: Sheryl, That's a low denomination from the Presidential series of 1938. The sheet version of the ... | ||
| 1962 4cent project mercury stamp | 8/21/2006 | Charles Bromser |
| Q: I would like to know the value of a 1962 4 cent postmarked Project Mercury stamp if possible. ... A: Used examples of the Project Mercury capsule are rather common. The stamp can be found in circuit ... | ||
| state liquor dispensary idaho | 8/21/2006 | Mark Leon |
| Q: I have a full sheet of uncerculated idaho state dispensary stamps. In the origenal envlope mailed ... A: John, Your stamps may be worth a $5 bill or more to the right kind of stamp collector. I'd put ... | ||
| susan b anthony stamps | 8/21/2006 | Mark Leon |
| Q: I have three stamps with Susan B. Anthony, both picture and name on them and the price printed on ... A: Deborah, The stamps are high denominations from the Liberty issue of 1954-68. Your stamps were ... | ||
| US 5 cent stamps | 8/20/2006 | Mark Leon |
| Q: I recently discovered an envelope of 5 cent US stamps, all unused in good condition, some in blocks. ... A: Louise, Most five cent commemoratives are common, worth about double face value in unused ... | ||
| 22 k replicas | 8/20/2006 | Fabrizio Delmastro |
| Q: i know this is not in the time line but mayebe you can give me a hint, i have 1981 "i think" 22 k ... A: the question is out of my expertize but I think the worth of this item is connected whit passion of ... | ||
| Is a cancelled stamp worth anything? | 8/18/2006 | Mark Leon |
| Q: I have a cancelled 5 cent stamp with a depiction of John F. Kenney on one half of the stamp, and ... A: Joachim, All stamps have some value, cancelled or not, but your particular stamp is very common in ... | ||
| US first day of issues - 1975-1980 | 8/18/2006 | Mark Leon |
| Q: I have over 100 US first day of issue, addressed, stamped, mailed envelopes. Do these stamps have ... A: Bonnie, Unfortunately you have the most common of all first day covers - those issued in the 1970's ... | ||
| Appraisal of stamps | 8/17/2006 | Mark Leon |
| Q: My husband recieved a collection of postage stamps from his grandmother some years ago. I have ... A: Sarah, I suggest getting in touch with the president of your local stamp club and ask if there is a ... | ||
| Stuck Stamps | 8/17/2006 | Mark Leon |
| Q: I read your note on not being able to unstick unused stamps stuck together by their original glue. ... A: Bill, The gum of US postage stamps has been designed not to be affected by extreme temperatures. ... | ||
| sales tax stamps | 8/16/2006 | Mark Leon |
| Q: I would like to know the value of a pack of 200 1 cent Ohio sales tax stamps. A: Priscilla, State revenues are an obscure area of philately. Placing a value is basically pure ... | ||
| Stamp Collection | 8/16/2006 | Mark Leon |
| Q: I've got a collection of about 500-700 stamps. My Mom brought me over a box of stuff from when I ... A: Brian, You can find the value of all your stamps at your local library. Ask at the reference desk ... | ||
| do you know | 8/14/2006 | Mark Leon |
| Q: Do you know where I can recieve advise on Chinese, Iran, Iraq, Hungry, French Sudan, Israel,Japan, ... A: Sarah, Unfortunately my expertise is limited to just United States stamps. You might try your ... | ||
| stamp from italy | 8/14/2006 | Fabrizio Delmastro |
| Q: I have inherited stamps from Italy can you give me any idea if they are of any worth. ... A: 1- 1884 Orange 20 cents, the man with a mustache is King Umberto I of Italy, cat. value in used ... | ||
| british stamps | 8/14/2006 | Ken Humphries |
| Q: I have a stamp with prince charles and princess diana on it. it has a 14p in the upper right hand ... A: Your Charles and Diana stamp is probably worth a few pounds. The rest will vary with condition. Go ... | ||
| Estimate value of recently inherited stamp collection | 8/14/2006 | Mark Leon |
| Q: The oldest found in the collection is a cancelled 1929 2 cent George Washington (Kans. and Nebr. ... A: Kevin, Bring your stamps to the library and ask at the reference desk for the Scott Specialized ... | ||
| values ???? | 8/14/2006 | Mark Leon |
| Q: I'm very new in collecting stamps , I have many questions about values of stamps and how can ... A: Gregorio, You can find the value of all your stamps and information on collecting at your local ... | ||
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Answers by Expert:
Top Expert on this page
I am a collector of United States postage stamps, and also a stamp dealer. I`m a member of the American Philatelic Society (APS). My principle area of interest and expertise is in United States Stamps.
I've been selling stamps on the internet since
early 1996. I maintain a stamp web page that
concentrates on mint US stamps issued generally
between 1890 and 2009. I'm an active seller on
ebay.com since 1996, under the user id "mleon".
You can find my web page at
http://www.forwardedge.com/usmints.html
Education/Credentials
I have a Bachelor of Science degree in computer
science from the University of Nevada at Las
Vegas, 1984.

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