Pacific Union Ex. Co., Suisun, Oct 21 (Solano), blue cds (PAU-100) canceling on 1864, 3¢ pink entire to San Francisco, with greenish gray J.M. Coghlan, Attorney, Suisun City, Cala. allover shaded ad, red ribbon frank at left, Very Fine and choice, the only recorded example from Suisun on an advertising cover. Estimate  $300 - 400. $0 (Image)