1855 - 20c dark blue, from ‘ZAVATARELLO 10 SET 60’
1855
1855 - 20c dark blue, from ‘ZAVATARELLO 10 SET 60’ (PV/AL) in red, to Casale. Very rare, only two strikes known. Bottacchi and E. Diena certificates (Sassone 15b+pt.R3)
sat 14 November 2026
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