MALTA 1965-70 4d 'Knights of Malta' error, SG336a

Malta 1965-70 4d, error 'KNIGHTS OF MALTA' (silver) omitted, lower right corner block of 6 (3x2) with plate numbers '1A' x 5 (should be 6!), SG336a.

A superb unmounted mint positional block with full original gum.

A rare positional multiple of this highly visual error of missing colour.

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