Arizona Assay Office ingots are truly one of my passions. I received my first ingot as a gift from my wife, one that she was able to pry away from my best friend Tom, and the rest is history.
The story is that these were made for Paul Franklin by Jack Stone circa 1969 from his N. First Street location in Phoenix. Living in Phoenix at the time, I felt the connection. Reading that less than 80 had been produced, I went to work on assembling as much of the collection as possible and continue my efforts today. The presentation of 15 Arizona Assay Office ingots together is unprecedented and presents a unique research and viewing opportunity.
In the first picture, I have arranged the ingots of most typical size ( 3 oz to 5 oz) in numerical order, a mix of .720, .925, .999 and .9995 fineness. The .720 and .925 examples are similar to each other but distinctly different in shape from the others. Between the .999 and .995 examples, there have been two different molds used, s454 and s456 being larger and shallower than the others. Note the two sequentially numbered pairs.
In the second picture I am presenting the less typical examples, 1.71 ozs, 11.17 ozs (stamped bi metal) and 20.08 ozs, a one of a kind and the largest of record by far.
The 20.08 oz ingot is overstamped with "C. Rhyne" supposedly haven been a part of the Craig Rhyne & Associates failed precious metals holdings at one time.
In my auction archive research there are a few more out there that have traded over the past 12 years, and there are always those that have remained hidden to seek out. My search continues so let me know if you have any information.