CSA Catalog 6-DP(c) 5¢ light blue, De La Rue die proof on glazed card (57x51mm), manuscript "Proof pulled July 1950" above and numbered "644/2" below impression; light paper clip crease at top left not affecting impression, still Very Fine. One of only three known posthumous die proofs pulled by Thomas De La Rue Co., Ltd. in 1950 before the die was transferred to the British Library. 2024 CSA certificate.