This item commemorates the 2017 PGL Krakow CS:GO Championship.
It was dropped during the Grand Final match between Gambit Esports and Immortals, and autographed by Henrique Teles Ferreira da Fonseca who was the most valuable player in that round.
The classic Sawed-Off deals very heavy close-range damage, but with its low accuracy, high spread and slow rate of fire, you'd better kill what you hit. It is still perfectly operational although the exterior surfaces have rusted.
Some people don't need to hide how dirty their deeds are