A bracket for attaching (removably or fixedly) a panel, board, sign, fence, or other long, flat object to a t-post, is described. In some embodiments, the bracket includes a t-post attachment portion, the t-post attachment portion including a face plate and two opposing side plates, the face plate extending between the two opposing side plates and fixed to front edges of the two opposing side plates, and a panel attachment portion, the panel attachment portion including a flat plate, the flat plate fixed to back edges of the two opposing side plates.