SCG10446 - San Marino 4 Lire “Upupa (Hoopoe)” Bird Issue – Classic Engraved DesignA beautiful San Marino engraved definitive showing the Upupa epops (Hoopoe), one of Europes most iconic crested birds. Issued in the mid 20th century, this 4 Lire value features exceptional line engraving, soft green shading, and the birds signature orange crest in striking detail. A favorite among thematic bird stamp collectors and admirers of classical Italian engraving. This example displays sharp detail, clean margins, and strong color retentionan