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View on the London and Birmingham Railway, Primrose Hill, Chalk Farm, Showing the Travelling Post Office, W. S. Penson, 19th century, undated, Graphite, pen and ink, watercolor, and gouache, with scratching out on medium, slightly textured, cream wove paper, Sheet: 9 1/2 x 14 7/8in. (24.1 x 37.8cm) and Sheet: 9 1/2 × 14 7/8 inches (24.1 × 37.8 cm
DC