1939 COUNTER SHEET / Sy.L4-L6, Airmail 2 Koruna - 4Ks, comp. of 3 complete sheets of 100; folded only in perforation, sporadically minor faults in margin, overall but fine, rare complete sheets!
1941 BRATISLAVA - QUITO / air-mail letter to Ecuador, franked with. airmail stamp 20Ks, Sy.L9, 1Ks and 50h, Sy.L1, L2, CDS BRATISLAVA 1/ 21.VII.41, on reverse arrival postmark QUITO ECUADOR Aug.20. 1941, transported Italian airmail community LATI, Us Slovak censorship; light fold and spots in envelope, usage airmail stamp 20Ks is rare, exceptional air entire to rare destination!