1912 red card with three examples of 1M "Gelber Hund" surcharges, canceled by "Flugpost am Rhein u.am Mainz" pmks, v.f., unusual (Cat No. CL4) (Image)

Est.US$200

1924 2M Berlin-Angora, block of four, n.h., v.f., scarce, cat. €2000 (Cat No. Mi.12) (Image)

Cat. €2000, Est.US$500

1924 2M Berlin-Angora, block of four, h.r. at top, bottom stamps n.h., v.f., cat. €1600 (Cat No. Mi.12) (Image)

Cat. €1600, Est.US$400

1924 Berlin-Angora, red cover with "Junkers-Luftverkehr A.G. Berlin" imprint on backflap, franked with special 2GM adhesive, with additional 10pf and 50pf air post franking, First Trip Berlin-Angora cachet and arrival markings on back, small cover tear at top, otherwise v.f., cat. €1200 (Cat No. Mi.12) (Image)

Cat. €1200, Est.US$500