Registered OFFICIAL cover with printed 'Direccion General de Correos Y Telecomunicaciones Guatemala' at top franked on reverse with single 1929 25c blue 'Triangular' OFFICIAL issue (SG O245) tied by CENTRAL DE CERTIFICADOS GUATEMALA cds dated 27 FEB 1947 with boxed registration marking on front and official cachets in black on front & reverse. Sent airmail to USA with transit & arrival marks on reverse.