Ive just bought 15 Keys. I can Vouch for the working part for these 15 but had at least 5 games which were below 2$ in the steam shop. But i also got Dead Cells and 303 Squadron: Battle of Britian which costs 20$ so i guess i cant complain.
Thank you very much for your feedback! Please enjoy the games!
Remember that all my keys have resell rights

so dont even ask if you want to resell them!