The Słuszków Hoard (Polish Skarb ze Słuszkowa) is a treasure hoard found in the village of Słuszków located in the historical area known as Kalisz Land presently situated in the Greater Poland Voivodeship. The treasure was buried around the year 1100 and uncovered in 1935. Since 1958 it has been a part of the collection of Kalisz Land Regional Museum. The hoard includes the largest collection of medieval silver coins in Poland as well as the largest collection in the world of the so called "cross denarii" or "cross pennies" (known in German as Radenpfennig).
The hoard contains 13,061 items, among them 12,500 cross denarii, early medieval silver ornaments, Polish and foreign coins, silver scrap as well as a rare collection of denarii minted by Palatine Sieciech.[1]