It seems to be a sticker made by an user named "underheaven" on designbyhumans.com (Link to the sticker)
The sticker is under copyright so using it without actually buying it doesn't seem the best idea, don't you think?
Hey guys, please remember that free or paid editing in this forum is an individual members choice. The OP has been adequately informed of existing copyright and has clearly stated that he has no intentions of reselling the edit. This edit request is within our rules. Anyone is welcome to complete this edit if they desire. This is strictly a members choice here, so please, no more comments.