Airmail overprint in purple, 1/8 Menalek (pair and 2 single ex.) the single ex. both with DOUBLE overprint, ½ Menalek (2 ex.) 1 ex. with DOUBLE overprint, 1 Menalek (pair) on cover from Dir Dawa 22-1-1930 to Addis Ababa (arrival postmark 25-1-1930), all overprints type I (19½ mm with double point) and additional 1/8 Menalek without overprint in strip of 4 on reverse of the cover, vertical filing fold/crease   

Empire Lauré 20 centimes blue (5x including 2 pairs) on cover 15-1-1871 transported by Boule de Moulins to Paris (arrival mark 18-2-1871 on reverse), fine/very fine with 2019 Christian Calves certificate. When Paris was besieged by the Germans in 1870-1871 the Boule (a hollow bullit) was a way to get mail to Paris. The Boule was filled with letters and thrown in the Seine, the purpose was the Boule floating downstream to Paris were it had to be recovered. Unluckily none of the Boules ever reached Paris. The contents of the recovered Boules were smuggled in to Paris by feet.

Postage Due 10 centimes black in pair, 30 centimes black and 9 other stamps on many times redirected cover from The Hague (Netherlands) 2-11-1887 over Arras to Paris, faults

Airmail, group of 3 covers franked with stamps between Yvert nos. 1-9, fine/very fine (1 item addressee removed, 1 item wrinkles and 2 items signed Hélis). Rare!