Russia 5 Rubles, Nicholas I, 1832 - 1855

WEIGHT:  6.54 grams
FINENESS:  .9167
FINE GOLD CONTENT: 5.9952 grams or .1928 Troy oz.

Russia 10 Rubles, Nicholas II, 1897 - 1910

WEIGHT:  8.6026 grams
FINENESS:  .900
FINE GOLD CONTENT: 7.7423 grams or .2489 Troy oz.

5 Ruble

WEIGHT: 4.3013 grams
FINENESS:  .900
FINE GOLD CONTENT: 3.8712 grams or .1245 Troy oz.