1909, PSE 5c. red and black (issued to commemorate the War of Independence). 1x unused and three used envelopes, the used ones from CHALLAPATA to ORURO all showing double oval "Correos de Bolivia/Ambulancia de Uroru a Uyumi" and straightline "Ambulancia del Correo de Oruro No.2" in black or violet. Very fine. (Image)

Start Bid €120