Saturday, March 26, 2016

U.S. Mint Philadelphia - Part I

In my last post as well as in previous posts, I have talked about the rarity of U.S. Assay Office New York silver ingots; U.S. Mint Philadelphia silver ingots are equally as rare. In my research to date I have only seen a total of 31 examples, the exact same number of U.S. Assay Office New York silver ingots that I have seen.

Out of the 31 U.S. Mint Philadelphia examples, all are dated 1946 with the exception of one ingot that is dated 1956. They are all generally consistent with incising of date, weight, fineness and a serial number; the hallmarks however, all over the place.

For ingots all date stamped in one year, 1946, it is truly amazing that three different hallmarks can be found. To date I have found no rhyme or reason to their application and in a number of examples, one is on the obverse and another on the reverse. The three hallmarks follow; the second is not from my collection and I apologize for the poor photo.

The first hallmark is unique to the U.S. Mint Philadelphia. The second hallmark is very similar to a number of hallmarks used by the U.S. Assay Office New York on both silver and gold ingots. The third hallmark is the same hallmark eventually used by all three producers of U.S. Government silver ingots, the U.S. Mint Philadelphia, the U.S. Assay Office New York and the Mint Of The United States At San Francisco.

Silver Ingots

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