First day cover of the ESA's Giotto mission to Halley's Comet

Item: First day cover of the ESA's Giotto mission to Halley's Comet Size: 16.5 x 9.5 cmPublisher: Deutsche Bundespost Description: The Giotto mission was launched by the European...

Halley's Comet - Maybe Twice in a Lifetime - stamp presentation postcard

Item: Halley's Comet - Maybe Maybe Twice in a Lifetime - stamp presentation postcard Size: 14.8 x 10.5 cmCreator: Ralph SteadmanPublisher: British Philatellic Bureau Edingburgh. Description: Postcard reproduced...