unmounted mint Block Larger Than four 1962-73 10c. reddish violet, a complete unmounted mint sheet (10x10) with paper fold in lower left corner resulting in the corner stamp being severly mis-perforated; $1.30, two complete unmounted mint sheets (5x10), one showing yellow regularly misplaced 2mm. to top, the other with salmon progressively misplaced ½mm. to 1½mm. to right; mainly fine.