Canada 128ai1924 Two cent deep green, wet printing, part perforate coils (sheet format), a superbly centered mint block showing usual strength Type D lathework and portion of guide arrow at lower left, full intact perforations on both sides, small hinging on top right stamp, otherwise never hinged. Seldom encountered with such superior centering and freshness; a beautiful block in all respects, Extremely Fine (Unitrade 128ai; catalogue value $3,500+)