3c Green, H. Grill (136, 147).
Three singles, top right stamp with obvious grill, bright color, cancelled or tied by red corks,
matching "Phila. Pa. Dec. 15" circular datestamp on cover to Bordeaux, France,
neat "GB/40c" Anglo-French accountancy marking, bold "10" decimes due marking, 1870 receiving datestamp, fresh and Very Fine, unusual usage
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