1868: entire letter sent by the ”ministère des travaux public” franked with pair of Belgique 1865-66 10c grey (one stamp with defective corner, the other one very fine) tied by ”60” numeral and ”BRUXELLES 11 JUIN 68” cds alongside sent to PARIS, FRANCE with ”SERVICE DES POSTES” single line. EXTREMELY RARE PARTIAL ”FRANCHISE POSTALE” TO FRANCE allowing the sender to pay only 20c instead of 30c. NO SUCH COVER IS RECORDED IN THE HUYS & KAISER HANDBOOK.