Republic of Ragusa (Croatia). 1 Perpero = 12 Grosetti (1/5) 1730. Silver. KM# 7. Holed

Obverse
St. Blaze divides date and S B. Lettering around.
Lettering: ・PROT・RAEIP・RHAGVSINAE S B 17 30
Translation:
Protector of Ragusan republic
PROT(ector) RAEIP(ublicae) RHAGVSINAE

Rev: Christ within 13 stars. Lettering around between two little ornaments on both ends of the lettering. Lettering: SALVS TVTA
Translation: Safe Saviour

Comments
Perpero (in Croatian: Perpera) was minted 1683-1750. Its diameter was 26-29 mm. Weight between 3.98 and 6.42 g.
Variations exist in form of obverse and reverse details (St. Blase, Christ, stars - regular or irregular) or lettering: PROT./PROTECTOR, RAEIP./REIP., RHAGVSINAE/RHAGVSINE/RHAGVSIN
One Perpero coin from 1695 exists, its weight is 14.35 g, its diameter is 30 mm, its thickness is 2 mm. Origin unknown.

After 1801 new type of Perpero was minted. Check link below for more information.

Weight: 5.39 g.
Diameter: 26 mm.