Trading Help

https://preview.redd.it/kt43pg32bcmg1.png?width=354&format=png&auto=webp&s=b96cb0c74076b1c682436e6b0cce3355d439b565

Haven't played game in many years, random person added me on steam after searching me through steamcollector and offered 30keys in a trade. Am I getting sharked? Thank you!!!