Physical Dimensions: Overall: 17.1 x 32.1 cm (6 3/4 x 12 5/8 in.)
overall: 2.8 x 32.1 cm (1 1/8 x 12 5/8 in.)
Provenance: Hon. Irwin Boyle Laughlin, Washington, D.C.; his wife, Therese Iselin Laughlin, Washington, D.C., 1941; their daughter, Gertrude Laughlin Chanler, New York, 1958; gift to NGA, 2000.