Hohner Harmonica Patent Poster This Patent Print is digitally printed on archival quality card stock paper with vivid color and exceptional detail, suitable for home, office, museum, or gallery display. Choose from multiple print sizes and colors for the perfect fit in your space Print sizes up to 9x12 are shipped flat in sturdy StayFlat mailers. Print sizes above 9x12 are rolled, placed in plastic sleeves and shipped in hard shipping tubes. Ready for Framing