Swiss painter and sculptor. Nine original ink and pencil sketches of of birds, horses, and two human heads, on individual off-white cards and envelopes, ranging in size from 4 x 2.5 up to 6.25 x 4.5, with a least one postage stamp affixed to each sketch. In overall fine condition. Accompanied by a 1967 ALS from Erni’s wife. RRAuction COA.
