1981年澳门大西洋海外汇理银行伍圆。样票。MACAU. Banco Nacional Ultramarino. 5 Patacas, 1981. P-58c(1)s. Specimen. Uncirculated. 红色 "ESPECIME"加盖,打两孔注销。深绿色油墨突出,纸质明丽。Red "Especime" overprint with two punch cancellations. Found on bright paper with dark green ink standing out.