1866 - 4baj vivid yellow, left sheet margin cancel
1866
1866 - 4baj vivid yellow, left sheet margin canceled with Papal grid, in mixed franking with Italian Kingdom 20c on 15c "horseshoe" overprint 1st type canceled "FIRENZE 20 SET 66", on letter from "ROMA 19 SET 66" to Firenze. Franking covering a double por
