(British, 1876-1953). 1) "The Apse, Leon Cathedral," pencil signed "Muirhead Bone" lr, sight size: 14 3/4 x 10 1/4 in., 2) "Roman Bull Excavated at Merida," pencil signed "Muirhead Bone" lr, sight size: 7 x 5 1/4 in., and 3) "Study for Leon Apse," pencil signed "Muirhead Bone" lr, 18 1/2 13 in. Lot comes with original portfolio cover for "The Apse" and "Roman Bull."