Stamp Finder ↺ Scott or Y & T ? Native Products 1951-1964 Photogravure by Waterlow & Sons Ltd., London. Perf. 12½. Regular and Airmail Stamps (September 3, 1951) Sc 389 / YT 337 Sc C52 / YT PA58 Sc C53 / YT PA59 Sc C54 / YT PA60 Mother’s Day 1964 (July 22, 1964) Sc C218 / YT PA281