cover 1925, 5fr Philatelic Exposition (226b), very fine block of four stamps taken from a souvenir sheet, tied by multiple strikes of Paris Philatelic Exposition May 9, 1925 c.d.s. on registered official Exposition cover with illustrated overall design of the Marsan Pavillion, stamps have minor perf. tip toning, otherwise very fine, a very handsome cover, Scott retail $600.00+ (as four used stamps) photo