1952年澳门大西洋壹佰圆5枚一组,不同的签名,PMG25-40NET;Macau, Banco Nacional Ultramarino, 5x 100 patacas, 1952, each with a different signature combination, Manuel de Arriaga at right, reverse shows the arms and "Portas do Cerco" arch, consists of 5 different signatures out of 7 signature varieties (using the K.N. Boon Catalogue as reference),(Pick 44a), PMG 35 for signature 1, PMG 25 for signature 4, PMG 30 for signature 5, PCGS 35 Details for signature 6 and PMG 40NET for signature 7 (5).