4 COINS. UNITED STATES. Lot of four commemorative half dollars. Columbian Exposition, 1892. Columbus / Sailing ship, earth globes below. Lustrous Uncirculated.Lexington Concord. 1925. Armed minute man / The Old Belfry at Lexington. Evenly worn VF.Stone Mountain. 1925. Lee and Jackson on horseback / Eagle, wings spread. Lustrous Uncirculated.Washington / Carver. 1951. Their conjoined busts right / Map of the USA. Lustrous Uncirculated.