Speranski

Speranski Australia is a brand of handcrafted mandolins.
Known models are: Speranski Australia F-Style Mandolin (SF, SFB, SPB and Custom models) and Speranski Australia A-Style Mandolin (no longer produced).
Tilia (also known as basswood or linden) composite materials used for making top decks in SF models instead of spruce ply used by most other manufacturers.