Auction 333-341 Nigeria, Cameroon, Sudan & Worldwide Postal History - Day 4

1865/70: Covers (4) with with ½ r. blue on greyish paper used on cover from Riobamba to Guano showing part sheet marginal rule, 1866 cover with single ½ r. blue on blued paper used from Ambato to Riobamba; 1870 entire letter to Lima bearing two pairs of 1 r. - one in yellow, the other in the buff shade cancelled by "Guayaquil / Franca" in blue and an 1866 entire letter bearing 1 r. green in a vertical pair used from Guayaquil to Lima (signed Holcombe). Condition varies but a scarce group.