Souvenir sheet issue "flood help", small and large souvenir sheet in conjunction with an additional additional franking on larger, heavy oversea R air mail letter from "SAARBRUECKEN 20.12.48" to Coronel Bogado in Paraguay, souvenir sheet 1 in variety IV "window at the bottom in the 6. House the 18 Fr", each souvenir sheet perfect centric and neat cancelled, on both sides censorship marks, arrival Paraguay Aeropostal 24.12.48, cover above minimal shortened, unique document, photo expertize Christine Schmidt Ney VP ". Perfectly legitimate condition"