Lot 50013 – 1858 (Jan 3) 1d Mulready envelope, stereo A156, SENT FROM PARIS to Germany, with French Empire 10c bistre and 20c blue

1858 (Jan 3) 1d Mulready envelope, stereo A156, SENT FROM PARIS to Germany, with French Empire 10c bistre and 20c blue, both tied by ms with the 10c also being tied by a boxed “PD” hs, sent to Chateau Zeil then redirected to Baden and then Munich, German tax markings, water stain patch otherwise fine. An exceptional usage of the Mulready, and possibly unique with a foreign franking, cert. BPB (2002)