1878 - Overprinted Official stamps, 2c on 20c lake
1866
1878 - Overprinted Official stamps, 2c on 20c lake with inverted blue overprint, well centered and with excellent perforation, on large part of circular printed matter cover from “GENOVA 15 FEB 80' to city. Rare. Signed Alberto Bolaffi and cert. Bottacchi (Sassone 31b - Euro 16,000)
