Numismatic Gold Coins
Refers to coins whose value is principally based upon such factors as condition, grade, scarcity and demand, rather than their precious metals content.
Semi-Numismatic Gold Coins
Contain precious metals that generally move up and down with the spot price of the precious metals but also contain additional value above their precious metal content.
Gold Bullion
Value is principally based upon its precious metal content plus the cost of fabrication