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Exploration and innovation

Part of a set of 6 se-tenant pairs of stamps

Issue date: 2006

Portrait of Isambard K. Brunel on the 200^th anniversary of his birth

Symbolic railway wheels and coupling links

Portrait of Thomas A. Edison on the 75^th anniversary of his death

Note: The 2^nd stamp of the se-tenant pair has no railway interest

Circulation: ???

Perforation: 13 × 12½