Bidspirit auction | Richard E. Bishop (1887-1975)Two Bird

Richard E. Bishop (1887-1975)Two Bird Maps - ”Map of the Surface Feeding Ducks, Swans and Geese of North America, ” 1934 and ”Map of the Diving Ducks, Eiders, and Mergansers of North America, ” 1937 each edition 571 of 2000 Dimensions: Each frame is 32” x 27 1/2”. Condition: Both appear to be in excellent condition, not examined out of the frames.