![MEXICO - 1866 - MAXIMILLIAN ISSUE: 13c dark blue LITHO MAXIMILLIAN issue with '18 - 1866' Invoice number and DURANGO district overprint, a fine used copy, four margins, tight in places. (SG 37a, Follansbee #48) (MEX/7554)](http://latinamericanphilatelics.com/cdn/shop/products/MEX7554_{width}x.jpg?v=1613579798)
13c dark blue LITHO MAXIMILLIAN issue with '18 - 1866' Invoice number and DURANGO district overprint, a fine used copy, four margins, tight in places. (SG 37a, Follansbee #48)
13c dark blue LITHO MAXIMILLIAN issue with '18 - 1866' Invoice number and DURANGO district overprint, a fine used copy, four margins, tight in places. (SG 37a, Follansbee #48)