Hello everybody,
This medal is only 19 mm' in diameter (22 mm' including the loop at the top) and 2.29 grams in weight.
I've found this info' on the Shamrock America Cup in Wikipedia (Look at the middle of the page under :1889-1903 The Seawanhaka Rule):
http://en.wikipedia.org/wiki/America's_CupI would like to know please if somebody know anything about this piece (And if possible, in what catalog can I find it).
Thanks,
C. Eliyahu.

