FIRST DAY OF ISSUE  FOREST CONSERVATION 4-cent Stamp Block, Honoring Jose De San Martin, Hero of the Andeswith Illustration of Official Cover, Authorized by the American Forestry Association with Theodore Roosevelt, Father of ConservationIssued at Tucson AZ, Oct 27, 1958. FDC U.S. 4-cent stamp honoring Jose De San Martin, Hero of the Andes. Block of 4 stamps. Postmarked Tucson AZ, Oct 28 1958 Please shop our ever expanding store! Be sure to add us to your favorites list! Thank you. Powered by Turbo Lister The free listing tool. List your items fast and easy and manage your active items.