Sunday, May 1, 2016

Mint Of The United States At San Francisco Type I Ingots Part XII - Seeing Double

In almost eight years of collecting and over four years of seriously studying Mint Of The United States At San Francisco silver ingots, I have been amazed at the lack of numerical duplication within any given type and series...........until today. 

Type I oval hallmark, medium font, curved stem nines in 999.5 fineness and both #1257.



My initial reaction to this find was to closely examine both ingots to determine if one was possibly fake but after lengthy inspection I see nothing in either to question authenticity. Just another first.

Mint Of The United States At San Francisco silver ingot numbering continues to baffle me; last year I created a spreadsheet to track the serial numbers of all ingots in my registry, and overall there is a noticeable lack of duplication between the various series. As yet, the explanation remains a mystery; surely all of the ingots that were melted over the years would not have all been different serial numbers. Why then, within the remaining ingots in circulation that I have been able to find, is there only a handful of numerical duplication between different series.

I will post all of the other numerical duplicates in my collection in an upcoming post.

Silver Ingots
Ken 


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