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PERU - 1992-94 ERRORS & VARIETIES never hinged mint incl. 1992 America Columbus unissued se-tenant pairs (x2) & strip of 4 partially imperf, 1993 Sican & Traditional Scenes sets imperf blocks 4 gummed on the front side, 1994 5s Sipan imperf pairs (x2, shades), 3s yellow colour only block of 4, 5s block of 4 imperf between & double perfs at bottom and 5s block of 4 with shifted yellow colour. (12 items)