Black & white real photographic PPC 'Amapala, Honduras' franked on message side with 1931 2c carmine (SG 320) with 'Signature Control' overprint and additionally overprinted with large circular AMAPALA 'Arms' control overprint in blue prior to being attached to the card tied by 'Lines' cancel in red with AMAPALA cds dated 14 MAY 1934 also in red alongside. Addressed to USA. A very rare control mark.