What is a troy ounce?
A troy ounce is a system of weights used for precious metals and gems, based on a pound of 12 ounces as opposed to the traditional 16.
A troy ounce is 31.1034768 grams or 0.0311034768 kilograms.
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UNC
Uncirculated
EF
Extremely Fine
VF
Very Fine
F
Fine
G
Good
FR
Fair
P
Poor
P
Poor
FR
Fair
G
Good
F
Fine
VF
Very Fine
EF
Extremely Fine
UNC
Uncirculated
PF
Proof
SP
Specimen
MS
Mint State
Bullion
Brilliant Uncirculated
Proof
