Just got this coin from Salzburg/ Erzbistum AV Quarter Dukat 1688 Salzburg Mint Prince Archbishop Johann Ernst von Thun und Hohenstein 1687-1709
According to seller on MA Shops (Andreas Fenzl) its fast stempelglanz. many German dealers/ auction houses grade MS-65/66 and even 67s as fast st. They use much higher grading standards then here in NA.
Wow. That's a beauty. No gold from Salzburg in my collection, but I have the same Archbishop in a silver thaler: