Every piece of work is signed, dated and titled by the artist and the
angel 41 stamp is always positioned in the bottom left corner on the reverse of canvases. Works on paper are just signed titled and dated on the reverse of the piece. Sculptures are just signed. Street works are sprayed with the angel symbol.
All artworks are added to the angel 41 gallery which also serves as a form of authenticity.
A certificate of authenticity, which contains a *photograph and description of materials used for the artwork supports every piece of art sold by angel 41. This is also signed by the artist.
*Certificates for artworks sold from 2013 onwards do not contain a photograph of the piece but one of the artists line drawings.