Italian sterling silver tastevin - mark of BULGARI

of circular shape with side grip, the bottom set with the following coin: Maxentius (306-312 AD) - Follis datable to 307 AD. Aquileia. Obv/ IMP C MAXENTIVS P F AVG, laureate head of Maxentius right. R/CONSERV VRB SVAE. The goddess Roma seated left holding an orb to Maxentius facing him; all within a tetrastyle temple. Sterling silver, hallmarked "925 - BVLGARI - ... Roma".
Height 2.2 cm, diameter 8.2 cm, width with handle 11.3 cm. Weight 112 g.
Item condition grading: **** good.