France. (Great Britain). 1955. envelope headed 'Supreme Headquarters Allied Powers Europe/ Gran Quarter General Des Puissances Alliees Europe/ Paris France' addressed to England bearing Fraance 15f blue tied by 'S.H.A.P.E./Paris' date stamp '13th June 1955', underpaid with framed 'More To Pay/ Letter Rate' and bearing Great Britain postage due SG D38, 4d blue tied by Liverpool receiver. Very scarce.