Lot
1465 
1866, 15¢ black, used with 3¢ red, E. grill (94) and 12¢ black, F. grill (97), each tied by circular grid cancel on tissue paper cover to Paris, France, purple "Philadelphia 'Paid 12' Jul 21" exchange cds, blue Calais (8.3) entry cds and red "PD" framed handstamp, Paris (8.3) arrival backstamp, Very Fine; with 2004 P.F. certificate. Scott No. 77 Estimate $500 - 750.
AN UNUSUAL COMBINATION FRANKING FOR DOUBLE THE 15¢ TREATY RATE (THREE DIFFERENT DESIGNS, UNGRILLED AND TWO TYPES OF GRILLS).