Your second image shows a 2 zł coin that actually circulated. The first one has a nice design (with a latent image on the other side) but did not circulate: In those years Poland issued 2 złote coins with commemorative designs at face value, but those were larger than the regular pieces, and did not circulate. The diameter of a 2 zł circulation coin is 21.5 mm - these pieces for collectors are 27 mm. They stopped doing that in 2013, and in 2014 introduced 5 zł commemorative coins that match the specifications of the circulation pieces ... Christian