How to use our exclusive Hahnemühle Portfolio Box 2020. The modern black Hahnemühle Portfolio Box 2020 can be used to • present your valuable prints and artworks in an elegant way • protect them from external influences • guarantee their genuineness • and to store them safely away, so they can last up to 100 years. Thank you to onnik.it for these beautiful images, printed on Hahnemühle Natural Line from our event at the Gian Paolo Barbieri Studio. #hahnemühle #portfoliobox #hahnemühlephotographymonth #photographyportfolio #portfoliobox_art #naturalline #hemp #bamboo #agave #photoragmetallic #gianpaolobarbieri hahnemuehle_global hahnemuehle_uk fondazionegianpaolobarbieri