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

Cat. $1000, Est.$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.$150

1911 "20 Cents/1911" Villa Bella provisional surcharge on 2c green and black, appears unused, fine, signed Herbert Bloch, rare stamp, cat. $2500 (Cat No. 97) (Image)

Cat. $2500, Est.$1,000

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.$750