1893: Unusual cover to London franked on front by Postal Stationery wrapper cut-outs of 1 c. pale brown on blue, 2 c. brown (2) and 1881 5 c. blue on pink; reverse additionally franked by Postal Fiscals 1 c. vermilion (4) and 2 c. deep blue (3) all tied by "Guayaquil / UPU" datestamps in blue (June 17). New York transit (June 30) above and London arrival (July 10) in red. VERY RARE AND SPECTACULAR COMMERCIAL USAGE OF THESE "1893 PROVISIONALS" in order to make up of the 20 centavos rate. (Image)

Start Bid € 650