Proof 'Less Than ½ Pint' Distilled Spirits strip stamps plate proofs on bond, complete set of three different (Green, Red and Blue) in vertical pairs, all without serial numbers, fresh and crisp, extremely fine

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Proof 'Less Than ½ Pint' Distilled Spirits strip stamps plate proofs on bond, complete set of three different (Green, Red and Blue) in vertical pairs, all without serial numbers, fresh and crisp, extremely fine