1860 - France 20c blue Napoleon III (Yvert 14), pa
1853
1860 - France 20c blue Napoleon III (Yvert 14), pair applied across a cover with text of March 8, 1853, from Paris to Final-Borgo. The pair, initally not canceled, was struck on arrival with a Sardinian diamond dumb postmark of Final-Borgo. Very likely unique, Cert. Manzoni