1851-2, 1 quattrino, greyblack, LPOG, vertical pair with good to
fine margins for this very difficult issue, both stamps
1851-2, 1 quattrino, greyblack, LPOG, vertical pair with good to
fine margins for this very difficult issue, both stamps slightly
defective, cert Colla, still a desirable and interesting pair, VF!
Estimate 60.000€.
