Here are four nice porcelain insulators from Italy as follows - actual postage additional:

U-1637 IMEC inkstamped on the skirt -- good condition -- $12

U-tbd small cable top with Richard Ginori inkstamped on the ear -- base flaw & small stress crack (looks like an original manufacturing flaw) - $12

U-2069A tough style with the early GINORI inkstamp on the ear -- base bruise & small flake -- $25

U-1844 in brown glaze - Richard Ginori logo inkstamped on the ear, good condition -- $12