Purchased this coin a while ago, at the ANA exhibition 2021. Could you please help me out in trying to determine if this Dickpfennig is overstruck on some other coin because of the stars that seem to belong to a different coin. I downloaded Beierlein (Die bayerischen Münzen des Hauses Wittelsbach) and he doesn't mention any stars for this issue. Dickpfennige from the Ducal Bavarian mint in Regensburg were jointly issued by Bishop Heinrich II of Roteneck and Duke Otto III of Lower Bavaria between 1290 and 1296. Dickpfennige are medium-weight to thick silver pfennigs from the 13th century (minted ca. 1190 to 1315) and served as regional currency. Struck on thick, small silver blanks (Schrötling), which is why the coins’ design is often incomplete or off-center. They are struck on both sides (front and back)—in contrast to the extremely thin, single-sided bracteates of this period. Emmerig identifies the coin (Emmerig 246) as an anonymous Pfennig from the ducal-episcopal mint in Regensburg and dates it to around 1305–1313. In the Bonhoff catalog it is listed as a bishop’s Pfennig from Regensburg, a joint issue by Bishop Heinrich II of Roteneck and Duke Otto III of Lower Bavaria, minted after 1290. AR Dickpfennig Regensburg, Herzoglich-Bayerische Münzstätte, 1290 - 1296 16.45 x 15.50 mm; 0.913 g, 8h Emmerig 246; Mettcalf 50; Beierlein ("Die bayerischen Münzen des Hauses Wittelsbach", p. 20) 33-34; Bonhoff 1966 Ob.: Bust of duke, facing, over turreted wall, H - (O) for (Heinrich - Otto) at left and right of the head. Rev.: Double gables, in which the bishop’s head left and the duke’s head right are facing. I'm very grateful for your input