5c Blue, Imperforate, U.S. Automatic Vending Co. Ty. III (315).
Strip of three, lightly hinged with light pencil notation on gum of left stamp, rich color, well-centered, tiny faint toned spots on couple perfs at right and some toning at extreme edge of portion of additional stamp at left (this could easily be trimmed or removed), Very Fine, very scarce, we have not offered another USAV Ty. III on the 5c imperforate since 1999, with 1979 P.F. certificate, Scott Retail for a pair without premium for the third stamp
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