1930 EIPA 1930 perforated initials on 1.50fr dark blue, used with additional franking on flown airletter from the Paris Air Post Exhibition to Casablanca, where upon arrival it was franked with Morocco adhesives and flown back to Paris, with appropriate markings, minor card faults, fine-v.f. (Cat No. C6b) (Image)

Est.$300

1930 EIPA 1930 perforated initials on 1.50fr dark blue, canceled on unaddressed Exhibition postcard (green inscriptions), v.f., cat. $450 (Cat No. C6b) (Image)

Cat. $450, Est.$200

1930 EIPA 1930 perforated initials on 1.50fr dark blue, canceled on unaddressed Exhibition postcard (red inscriptions), v.f., cat. $450 (Cat No. C6b) (Image)

Cat. $450, Est.$200

1930 EIPA 1930 perforated initials (reversed) on 1.50fr dark blue, canceled on unaddressed Exhibition postcard #0228 (red inscriptions), v.f., cat. $450 (Cat No. C6b) (Image)

Cat. $450, Est.$250