A Love Story for Your Art! Some things are just meant to be—like the Hahnemühle Certificate of Authenticity and the Signing Pen Duo! Together, they form the perfect match to protect your limited edition artworks and give them a signature that lasts a lifetime. The Certificate of Authenticity ensures the security and genuineness of your art, complete with premium mould-made paper and a serialized hologram for ultimate protection. Paired with the Signing Pen Duo, featuring a high-quality pigment liner and archival graphite pencil, your signature will be as timeless as your masterpiece. #Hahnemuehle #SigningPen #Authenticity #SignedWithLove