Safes & Security Containers/Mosler Safe

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Question
Mosler Safe double door
Mosler Safe double doo  

Front tag
Front tag  
Oh wise one,
I picked up this Mosler safe and would appreciate any info you can give me on it. The minor research I could do tells me it dates to around 1904. The tag on the front shows a burglary rating of Y-20
or V-20 (I think).
Thanks for your help.
JD

Answer
Jd,

Unfortunately, internet searches don't always yield correct results, especially if all of the information is not taken into consideration.

Underwriters Laboratories didn't start testing and/or labeling safes until 1914, with The Safe Cabinet Company getting the first labels.   Most safe companies didn't begin using UL's services until the 1930's.   The serial number on this label is NOT the serial number for the safe, it is the serial number for the UL inspection tag.

The burglary rating on the safe is a "T-20", and actually stands for "Tamper Resistant - 20 Minutes", NOT burglary resistant.

The fire resistant rating shown on the label "Class A", is a four hour label which was the highest fire resistance test.

Without seeing the safe itself, the best "date" I can give you on the safe would be late 1920's to mid 1940's.

Sorry,  

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Terry V. Andreasen (Andy)

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Safe and Vault related Questions; Antique Safe Repair and Restoration; With over 44 years in the Safe & Vault industry, if I can't answer your question I know where to get the answer. Current Project: Restoration of an Ely Norris Cannonball safe from the early 1900's. Will answer Safe & Vault related questions concerning age, value, restoration, moving, opening & repairing, parts, operation and history. Note: It is not my intention to teach you to open safes or to provide information which may aid in the unlawful opening of a safe. I will not give out drill points or information which I deem inappropriate. NOTE: I also answer safe related questions in the Locksmith and Antique Safe Categories sections.

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44 years in the Safe & Vault Industry. Owner and Service Manager for one of the largest Safe & Vault companies on the West Coast. Graduate of Lockmasters Safe Lock Servicing, Safe lock Manipulation and Safe Deposit Lock Courses. Graduate of Locksmith Institute. Certified Instructor for the California Locksmith Association teaching Basic and Advanced Lock Servicing, Basic Safe opening and Repairing. Factory Trained by AMSEC, LORD Safes, LeFebure, Mosler, KabaMas, LaGard and Sargent & Greenleaf. Author of "The Coffee Table Guide to Antique Safes".

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Graduate of Locksmith Institute 1972 Graduate Lockmasters Safe Lock Servicing 1974 Graduate Lockmasters Safe Lock Manipulation 1975 Graduate Lockmasters Safe Deposit Lock Servicing 1985 Instructor Certified - California Locksmith Association - 1985 Factory trained by AMSEC, MAJOR, STAR, Johnson-Pacific, Kaba-MAS, Allied-Gary, ISM, Lord, Brown Safe, EXL, Mosler, Diebold.

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2009 - 2015 - Listed in AllExperts top 50 experts. All Experts categories - Safes & Security Containers, Locksmithing, Antique Safes. Retired US Army Chief Warrant Officer (CW4), with 39 years of total service. With numerous awards from Vietnam, Desert Storm and Operation Iraqi Freedom. US Navy - 1971-1981 US Army Reserve 1984-2013 US Army Retired

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