Check the listing for details. St. Thomas & Prince 50 Dobras, 2016, P-73, UNC. Listed at 9.99 USD. The St. Thomas & Prince 50 Dobras Banknote was issued by the Central bank of Sao Tome and Principe in 2016. The brown banknote bears Portuguese text. Its obverse features the Banco Central headquarters building in Sao Tome, a charaxes lemosi butterfly, and the coat of arms of Sao Tome and Principe. The reverse depicts a stylized cocoa pod, a butterfly, and a map of Sao Tome and Principe. It also features a Sao Tome weaver perched on a branch. The note contains a red-to-green windowed security thread with a demetallized BCSTP and a registration device in the form of a butterfly. Its watermark reveals Rei Amador and an electrotype butterfly. Its watermark reveals Rei Amador and an electrotype butterfly. It is 145 x 67 mm in size and is signed by Americo de Oliveira dos Ramos and Helio Silva Vaz de Almeida. This particular banknote is in uncirculated condition.