2c black on lilac 'Exposition' postal stationery envelope (H&G B9) with printed 'The Reinoso Stamp Co. Wholesale Dealers 6a Avenida Sur No. 40 Guatemala C.A.' return address at top left franked on reverse with additional 1902 2p black & orange (SG 126) tied by CENTRAL CERTIFICADOS GUATEMALA cds dated OCT 5 1923 with second strike on front. Sent registered to NICARAGUA with boxed registration marking and various transit and arrival marks on reverse. Nice late use of this envelope.