Stamp Finder ↺ Scott or Y & T ? Definitives 1924-1945 Regular Stamps (September 3, 1924) Sc 315 / YT 253 Sc 316 / YT 254 Sc 317 / YT 255 Sc 318 / YT 256 Sc 319 / YT 257 Surcharged for Airmail 1933 (July 6, 1933) Sc C4A / YT PA4A Surcharge 1944-1945 Sc 359 / YT 299 Sc 359a / YT 299