Bavaria, 1876, 10pf rose. Tied by indistinct postmark on 1876 cover to Calvoerde, Branschweig, with gray allover illustrated building and train Keokuk, Iowa mercantile college advertisement, receiving postmark on reverse; minor stamp and cover toning, F.-V.F., an unusual advertising usage. Michel No. 39b. Scott No. 41 Estimate $250 - 350. $0 (Image)