1925, Sail flights at the Büchelsberg, 10 Pfg on 5 Mark, 10 Pfg on 25 Mark and 10 Pfg on 100 Mark on cover with 10 Pfg wood-pigeon with cancellation from 20.4.1925, additional cancellation "with gliding mail transported Tiefenbronn", faultless condition, Michel 210.-