- Printed on Acid-free heavyweight Chalkboard Matte Paper
- Printed using archival inks meant to last years
- Printed with a Border Accent Line making this Historical Artwork pop
- Your selection fits a 16" x 20" Frame or can be matted or hung on your Wall without a Frame.
- School Chalkboard color
This is a reproduction of the original Patent for a Ice Axe.
It was invented by Penberthy H,seattle Us and filed on April 25, 1972. It was issued on May 29, 1973 by the United States Patent and Trademark Office.
