Stamps (Philately)/BLUE RAG STOCK

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Bill wrote at 2013-05-28 21:11:15
Watermarking is best done by placing the stamp face down on a black surface.  Watermark fluid may be necessary.  There are several places on the net that explain how to examine watermarks, just use your favorite search engine to find one.



I only found that one stamp as being printed on rag stock listed in the current catalog.  


Stamps (Philately)

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Bill Lehr

Expertise

Almost any question relating to US postal stationery

Experience

Member UPSS 19th century catalog ediorial committee; member UPSS 20-21 century catalog editorial committee; member of APEX examiner committee; published author including regular column on US postal stationery in US Stamp News

Organizations
APS, APEX, IFDSA, IPDA, NSDA, UPSS, PSS

Publications
Postal Stationery, journal of the UPSS; Precancel Forum; US Stamp News; EFO Collector; Air Post Journal

Education/Credentials
Bachelor degree plus

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