B316 (PNL): 50 dobras (US$2.40)
Green and gold. Front: Portuguese text; Peregrine falcon (Falco peregrinus); ferns and forest foliage; grey parrot (Psittacus erithacus); waterfall; coat of arms; Rei Amador; denomination in gold-to-green OVI; unknown leaf; cocoa pod as registration device. Back: Portuguese text; cocoa pod as registration device; outline map of the Americas and Africa with equator line; aerial view of Sao Tome and Principe with equator at Ilhéu das Rolas (Rolas Islet); reference to geodetic and astronomical work of Gago Coutinho; Marco do Equador monument; ferns. Unknown security thread. Watermark: Unknown. Printer: (De La Rue). 145 x 67 mm. Substrate unknown.
a. 2025. Sig. 10: Guadalupe/dos Santos. Prefix A. Intro: 21.08.2026.
Courtesy of Don Ludwig (www.polymernotes.org), Peter Mosselberger, and Andrea Bossi.