1855 - 20c sky blue light, 1st plate printing of '
1855
1855 - 20c sky blue light, 1st plate printing of '55, from "VERCELLI 27 SET 55" to Torino. Rare use of the sky blue 20cin September of '55. Initials E.Diena and Cert. Bottacchi (Sassone 15g - unrecorded in September)
