Black & white real photographic PPC '7. Av S. Guatemala #147' franked on picture side with 1926 2p orange and 5p purple 'Waterlow' issue plus 1927 1c olive green TAX issue (SG 218, 221 & 223) tied by CENTRAL CERTIFICADOS GUATEMALA cds's dated 20 AUG 1928 with boxed 'GUATEMALA' registration marking in black on reverse. Addressed to SWITZERLAND with arrival cds also on reverse.