ITALY, 1878, 2c on 5c SURCHARGE ON LAKE OFFICIAL MINT PAIR, #30, left stamp never hinged, right stamp ligthly hinged, fine-very fine, both signed by Dr. Helmuth Avi and with his 2020 cert., cat. $675.00, Sassone #30 @ €490.00, donated by Paradise Valley Stamp Company (Image1)