CANADA 1928-29 $1 olive-green, SG285Canada 1928 29 $1 olive green, "Parliament Buildings, Ottawa", upper right corner IMPERFORATE BLOCK OF 4 with part '82 E' plate number, SG285. Fresh mint quality and unmounted with full original gum (except lower right stamp with small disturbance, barely worth a mention). A couple of minor wrinkles, and each stamp with small hand stamp on reverse. Most attractive and rare as a block of four and especially so in this positional form. Only 250 pairs