Dav# 1150, KM# 22. Holy Roman Empire. Haus Habsburg. Maria Theresia. Burgau Mint. Silver, UNC, mint luster. Very rare original strike especially in such a high grade. This coin is very well known as it preceded the famous and endlessly restruck “Maria Theresa Taler” of somewhat similar appearance. RDR Taler 1780 SF Gunzburg. NGC MS 62.