1867 - 20c sky blue light, Bigola - London, vertic
1867
1867 - 20c sky blue light, Bigola - London, vertical block of six and single copy, canceled dotted numeral "196" from "VENEZIA 3 GIU. 67" to Mirano. Very rare franking, one of the largest blocks known of this denomination. Cert. Sorani (Sassone L26 - € 15
