Post-posters is a cooperative proposition about public billposting initiated in 2019 by Antonio Gallego and Mathieu Tremblin and featuring worldwide artists.

Post-Posters is a collection of 59,4 x 84,1 cm black and white posters produced in either horizontal or vertical format by a plotter and printed on 80 gsm white or fluorescent paper. The posters are meant to be fly-posted in urban areas, on public noticeboards or over existing billboards.
It attempts to contribute to intersectional struggles.