Lot 40465 – 1851 Folded entire from Constantinople to Bursa bearing extremely rare oval « C.O.P. / P.P. / CONSTANTINOPLE » hs + other

1846-51 Two entires incl. 1851 Folded entire from Constantinople to Bursa bearing extremely rare oval « C.O.P. / P.P. / CONSTANTINOPLE » hs, very fine, cert. Guy de Vachat stating only two examples recorded, and 1846 folded entire from Chios to Constantinople with oval « P.P. / CONSTANTINOPLE » hs, restored top flap, minor soiling, fine; cert. Guy de Vachat (2010).