1867 5c violet, two singles of this scarce stamp, largely well margined examples, fresh colors, each tied to a different partial FL to Cochabamba, one with portion of black "Correos de La Paz/RB" double circle cds, the other with "Corocoro" ornamented circular handstamp, the two postal cancels that are most normally used on this value, v.f., ex-Ortiz-Patino collection (Cat No. 3) (Image)

Est.US$500

1868 Nine Stars, 500r black, h.r., fresh and fine, cat. $1000 (Cat No. 14) (Image)

Cat. $1000, Est.US$400

1898 (27 July) cover (opened for display) from La Paz to Concepcion (Chile), franked on both sides with nine copies of 1c rose (one stamp folded over), cancelled by grids and Valparaiso transit (Image)

Est.US$150

1917 "Correos /10 Cts./1917" on 1c blue, Cobija provisional surcharge in carmine, type I, used, well centered, fresh with strong bright colors of both the stamp and surcharge, portion of the black violet Cobija cds and a similar strike on the reverse as a control, v.f., signed Roig, cat. $1750 (Cat No. 102) (Image)

Cat. $1750, Est.US$750