A

Allied Military Currency
Alloy
Altcoin
America the Beautiful Quarters
American Gold Buffalo
American Golden Eagle
American Numismatic Association (ANA)
Annealing
Antimetallism
Arbitrage
Ask
Assay
Asset Class
Atlantic Provinces Numismatic Association (APNA)
Australian Gold Kangaroo
Australian Gold Nugget
Austrian 100 Corona
Austrian Philharmonic coins
Avoirdupois system (avdp)