Watch List notes:

German States, Frankfurt (Free Imperial City) AV Ducat. In the name of Matthias (Holy Roman Emperor). 1619. N CO FVRTENSIS MON AVR REIP FRA, St. John standing to right with oval shield / MATTHIAS ROM IMP SEMP AVG (date) Æ(key), crowned and nimbate double-headed Imperial eagle facing with wings spread, holding sword and sceptre and with orb on breast. KM 54; Friedberg 960; Numista 200579. 3.21g, 24mm, 12h.

Good Extremely Fine. Rare.

From the collection of GK;
Ex WAG Online oHG, Auction 82, 14 January 2018, lot 853.