Antiques and collections - The Maria Theresa thaler (MTT) is a silver bullion coin that has been used in world trade continuously since they were first minted in 1741, at that time
Moneda Austria Joseph II Thaler 1780 Official restrike SC Plata – Numiscorner.com
Antique 1780 M. Theresia Austrian Silver Thaler Coin Necklace - Etsy Finland