NewNETHERLANDS · 1942–1977Netherlands 1942 — Useful group of 2 balloon & 3 First Flights covers with 1942 first balloon commemorative,…VFUS$ 32.50
NewNETHERLANDS · 1952Netherlands 1952 — Stampless entire letter with red "Gouda 2/7" postmark sent to Amsterdam with red arrival…VFUS$ 32.50
