2-1/8" tall plastic decoder finished in bright silver luster with top view of a jet plane with the club's emblematic letters "SQ" printed over the wings. On the underside numbers 1-26 are printed surrounding a movable white plastic disc with the letters "A-Z." Of both the earlier metal decoders and the final 1957 decoder this is the scarcest of all. High gloss and NM displaying Mint.