WWII 7th Lublin Ulan Regiment (Polish 2nd Corps) Breast Badge & Beret/Collar Pennant, made by Picchiani & Barlacchi, Firenze. The badge shows damage to the enamel; please refer to the attached pictures for details.
Badge diameter: 41.45 mm
Dimensions of the beret/collar pennant: 57.75 x 13.45 mm.