Mexico, 1863 French Expeditionary Forces, cover with "Corps Exp. Mexique, Bau B, 31 Oct. 63" cds to Lyon, France bearing 1862 10c. bister and 20c. blue pair, left 20c. clipped perfs, tied by "CEM, B" diamond lozenge, matching "PD" framed handstamp, reverse with Paris (11.30) cds and partial Lyon (12.2) arrival cds; F.-V.F. Scott No. France #25, 26  Estimate $150 - 200. $0 (Image)

Mexico, 1863 French Expeditionary Forces, cover to Tours, France, with "Corps Exp. Mexique, Bau G, 22 Dec. 63" cds and manuscript "6" rating, Paris (2.1) and Tours (2.1) backstamps, with original letter written in French datelined "San Augustine del Palmer, 21 Dec. 1863"; Very Fine. Estimate  $150 - 200. $0 (Image)