Description
Vintage Pure 1000 Sterling Silver Albert Wiss Mathematical Historic Coin Medal Tool – Marked 1000 Fine Pure this is a vintage Art Deco coin medal tool invented by Albert Wiss which uses mathematical formula, calculations in order to determine dates and events of historical significance. These were made in silver and gold and given out to specific members of the American Mathematics Society of New York. Very little information is available with regard to Albert Wiss but it is known that there are not many of this particular coin medal and few examples rarely come up for auction.
Size is 1 9/16″ across in diameter.
Weight is 41.6 grams.
Thickness is 1/8″.
Condition is excellent. Still crisp and clear. Not worn down. No dents or dings. No tears or deep scratches. Some normal surface age wear only. It has been left in the original condition in which it came from the estate and has light age patina which has not been polished off.
If you look carefully you will see that the outer dates represent Christopher Columbus discovery of America in 1492, World War 2 in 1942, Abraham Lincoln becomes president and start of Civil War in 1961, Independence from Britain in 1776 and the corresponding July 4 birthday of US independence. Along with this there is are many letters and numbers but one would need to know how to use it.
This is a lovely, most unusual and hard to find coin medal for your collection particularly if you are well versed in mathematics.