Timothy David Mayhew, Right side head and shoulder study of a Dall ram, natural black and natural white chalk, 10 x 14. ← Previous Next → Timothy David Mayhew, Right side head and shoulder study of a Dall ram, natural black and natural white chalk, 10 x 14. Timothy David Mayhew, Right side head and shoulder study of a Dall ram, natural black and natural white chalk, 10 x 14.