A hoard of 1,000 silver coins discovered in 2019 beneath the floor of a church in northeastern Poland is going on display at the Warmia Archdiocese Museum (MAW) in Olsztyn. The coins will be exhibited along with the glazed ceramic mug they were buried in under the northwest corner of the chancel of the church of St. Andrew the Apostle in Barczewo.The coins date to the late 16th and early 17th centuries and include Polish silver groschens minted during the reign of King Sigismund III Vasa (r. 1587-1632), shillings from Ducal Prussia when it was a Polish fiefdom and coins from Riga, Lithuania. The oldest coins are three half-groschen crowns dating to the reign of King John I Albert (r. 1492-1501) The most recent coins date to 1628.St. Andrew was a monastery church when the hoard was buried, and it was likely the monks who buried it. Barczewo was roiled by military conflicts between the Polish-Lithuanian Commonwealth, Sweden and Brandenburg-Prussia in the late 16th and early 17th century, which may have something to do with why the coins were hidden. The monastery survived the repeated burnings and battles Barczewo suffered, but one of the side-effects of war, disease, took a ruthless toll on the monks, killing most of them.According to researchers Pawe Milejski, and Arkadiusz Koperkiewicz, the small denomination of the coins indicate they were donated to the order over a long period of time and cached under the church floor. They were either deposited in the hiding place gradually beginning in the 1620s and began later and was collected over a shorter time frame between 1625 and 1628. No more coins were collected after 1628, perhaps because the person collecting them died. There was heavy fighting and widespread disease in Warmia as a result of the PolishSwedish War in 1628.According to experts, the strict rules of the Franciscan order suggest that the money was not the property of a specific monk, but rather a deposit of alms. The value of the accumulated money is approximately 815.1 groszy. This sum, they estimate, would be enough to feed an adult male for 242243 days.It is possible to hypothesize who managed the cache. It was someone who was still alive in 1628 and died no later than 1629. This reduces the list to four individuals: Teodor Popawski, guardian (1628), Ludwik Gruntowicz, preacher (1628), Benedict of Prague (1629), and Adrian of Kaunas, keeper (1629), the authors of the book about the Barczewo treasure pointed out. In their opinion, the most likely candidate remains the keeper Adrian of Kaunas.