Keywords: Bolivia Correos 10 Cts. 1917 on 1c blue, Cobija provisional surcharge in carmine, type I.jpg en Bolivia Correos 10 Cts 1917 on 1c blue Cobija provisional surcharge in carmine type I Scan of original Government of Bolivia 1917 PD-Bolivia 1917 stamps Cobija Stamps of Bolivia Revenue stamps overprinted for postal use |