Proof 1967, 4c, 5c, 15c Montreal's World Fair, EXPO'67, proofs (170P, 171P, 174P), 4c and 5c composite proofs for the complete design with engraved and lithographed printing, mounted on card, 95 x 100 mm, each handstamped "COLOUR AND DIE PROOF APPROVED...initialed...UN POSTAL ADMINISTRATION", numbered "0010" and "0009" respectively and dated JAN 12 1967; also eight 15c composite proofs in different shades, variously numbered and dated, mostly very fine