[London. Map on silk] Gifford's flexible pocket map of LONDON
divided into half mile squares and circles. Scale four inches to the mile. Engraved at Bacon's Map Establishment, 127 Strand [London]. Image 47 x 65 cm. Printed on silk 52 x 70 cm. Folded in original holder 15 x 8 cm. Second half 19th. cent. Cartouche w. title upper right. Engr. left below. V.G.