1912 selection of 13 cards, franked with 10pf, 20pf and 30pf (one card with 3x30pf green), also three cards franked with 1M "Gelber Hund", each addressed to Mainz and canceled by "Flugpost am Rhein u.am Mainz", others showing various destinations, mixed condition, occasional toning, mostly fine or better (Cat No. CL1-4) (Image)

Est.US$500