Bidspirit auction | Four French Postage Stamps, Including

Four French Postage Stamps, Including Sainte Chapelle de Riom - A block of four French postage stamps, presented in a 2x2 configuration. Includes two 0.60F 'Sainte Chapelle de Riom' stamps, identified in web research as Scott #1310 of 1971, depicting a detailed Gothic chapel among trees. The upper left stamp, dated 1980, features a blue ink architectural drawing of a spire-clad building, inscribed 'France 1.30 DUNKERQUE - POSTES. 1980'. The lower left stamp features a modern, abstract design with architectural and urban elements in blue, red, yellow, and white, inscribed 'POSTES FRANCE 1.10 FEDERATION EUROPEENNE DE LA CONSTRUCTION' and signed 'GUILLAUME'.