Limited edition hand-painted animation cel, entitled ‘Flexing for Betty,’ numbered AP 37/50 (from an edition of 500 plus 50 artist’s proofs), 13.75 x 11.75, showing Popeye holding a can of spinach and flexing his muscles for Betty Boop, signed in black ink by Waldman and taped against a pre-printed background. In fine condition. RRAuction COA.