У вашего броузера проблема в совместимости с HTML5
And you call yourself a coin collector? Make sure to look for these:
pre-1965 for Dollars, 50c, 25c and 10c pieces
1942-1945 Wartime Nickels
pre-1938 Buffalo Nickels
pre-1982 Memorial, Wheat and the rare Indian Head Cent
What your coin is worth in raw metal terms (Coinflation webpage):
http://www.coinflation.com/