Lot 80117 – 1879 BULGARIA first issue cover franked 50C cancelled by red crayon alongside the very rare SOFIA SREDETZ TO cOSPOLI

1879, First issue cover franked 50c cancelled by red crayon alongside the very rare « SOFIA SREDETZ 13.9.80 » cds in blue (which is repeated at back) to Constantinople, covers to Turkey were treated by Bulgaria as foreign going therefore the 50c was applied, the SOFIA SREDETZ pmk was only used for a very short period of about 2 years, top middle of the cover shows a closed tear otherwise very fine end rare cover, sign. and cert. Sorani