1894 Germany 10pf postcard from Dusseldorf sent around West and South Africa before being returned to the sender with an explanatory label applied upon its return at Dusseldorf, handstamped "RETOUR" and "RETOUR / A L'ENVOYEUR" with 22 transit datestamps from French and Belgian Congo, South and South West Africa, Madeira or the Canary Isles including Cape Town, Walfish Bay, Windhoek, Funchal, Las Palmas, Marseille a Loango, Freetown, Boma, Matadi, Loango, Brazzaville and Loango a Marseille. A little staining and the label torn but very unusual.

1923 75c American Bank Note Co Die Proof in green die sunk on card (227x150mm) numbered "2" in the lower right corner and "6" in blue crayon at the left, reverse with light "ENGRAVING ORDER DEPARTMENT / RECEIVED 1926 APR 10" (?) cachet, two staple holes at upper right well away from the actual proof, a fine and scarce die proof. Photo on Page 182. (Image1)