Johnston for the Royal Geographic Society. Scarce detailed 19th century color lithographed folding map issued in a geographical periodical, inherently scarce thus. Well preserved, nice looking example with pleasing age patina.
Original fold lines as issued. 9 1/4" H x 16 3/4" W. 8 1/4" H x 14 3/4" W. Cartographic Reference(s): Tooley's.