Here is a rare 1975 Topps '74 A.L. Championships #459 blankback proof issue which came from the Topps Vault (encapsulated with sticker and hologram).  Found originally on a proof sheet, Topps editors likely used this to decide upon alternative design schemes (and ultimately selected the yellow/red banner instead of a black/yellow combo).

A rather unique team collectible for your advanced, master set, or proof card collection.  Likely only a handful of these out there.  Regular issue card not included - just shown for comparison.

Please ask if you have any questions, and are looking for any other tough Topps test issues, proofs, or oddball player or team cards.  Thanks!