Commonly used s abbreviations and acronyms

1ST ED: First Edition (books)AB: Aurora Borealis (used in jewelry descriptions)ACC: Accumulation (postage stamps)ACEO: Art Cards, Editions and Originals (miniature paintings on 3.5 inch by 2.5 inch cards) See also OSWOA and SFAACL: Applied Color Label (bottles)ADV: Adventure (Books / Movies)AIR: Air Mail (postage stamps)API: Application programming interfaceARC: Advance reader's copyATC: Artist trading card (miniature artwork measuring 2.5 x 3.5 inches as per ACEO)AU: Australian dollars (see currency exchange site)AUTO: AutographedAUTH: "Not quite authentic"B