A trans-green frog for €1,52?! I think i got real lucky here!

I was looking for frogs online, as one does, and this website of a local-ish (everything in this country is like max 3 hrs away from eachother, so...) store that sells LEGO parts had a discount listing on some frogs. Others were their regular prices and under another listing. The discount listing, however, had 2 colour options; green, with a pic of a green frog and the usual pricing for it, and.... a picture of the flat silver frog, colour name trans green in our language, and a price that...