1919 cover from Wloclawek to Warszawa, franked with two different types of local overprint ("Poczta Polska on 10pf and "Na Skarb Narodowy" on 15pf in red), paying the proper 0.25 Mk rate, both stamps canceled by pen, with arrival pmk on back, some toning and cover wear, scarce mixed franking combination from Wloclawek, with 2020 Korszen certificate (Image)

Est.$500