Watch List notes:

POLAND, Monarchy. Wladyslaw II Jagiello. 1386-1434. AR Kwartnik (20mm, 1.02 g, 3h). For Ruthenia Under Polish Control. + [WL]ADISL R]ЄX, crowned eagle facing, head left, with wings displayed / mOnЄT[Λ R]VSSIЄ, lion rampant left. Grierson, Coins of Medieval Europe, p. 211; Kopicki 3065; Gumowski 422. Toned, areas of weak strike. VF. Rare.

From the Richard A. Jourdan Collection of Medieval European Coins, purchased from Coin Kingdom at the 2015 World's Fair of Money.