PL.47 (RI) (SG40)/ON COVER LEADENHALL UDC. 1858 entire from "Mount Gabriel Mineral Co." London to a Colour Works in Derby with fine die 2 1d pl.47 rose-red on white paper (SG40) lettered RI tied fine LONDON.E.C/72 duplex MY 25 58. On reverse light strike LEADENHALL small type udc in blue (19mm). (Ref 102467)
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