unused 1903-04 CC 50r. grey and red-brown, fresh mint; light gum crease in one upper corner; very fine appearance. B.P.A. Certificate (2000). S.G. 16, £1,100. Photo

Details
unused 1903-04 CC 50r. grey and red-brown, fresh mint; light gum crease in one upper corner; very fine appearance. B.P.A. Certificate (2000). S.G. 16, £1,100. Photo