People's Republic of Poland, 1981. - Warsaw Mint, Medal of Societas Scientiarum Plocensis / Romanesque Plock Doors from the middle of the 12th century - 550 Years in the Cathedral Basilica in Plock - Design by Józef Gutowski, Stanisława Wątróbska.

The item was subjected to spectrometric examination with an OLYMPUS INNOV-X device, which showed the following content of metals (elements):

• Ag (silver) ~82%
• Cu (copper) ~15%
• Zn (zinc) ~3%

Dimensions: ⌀ 8 cm, weight 197.7 g

Condition as shown in the photos.