- Saint Paul, Minnesota, United States
- May 31st
Vintage MSA Skullgard Mine Mining Safety Hard hat Geologist MIne Worker MSA Skullgard Protective Hat or Cap. Sticker says hat complies with ANSI Z89.1-1969 Class C Decals by Layne, Desert Drilling Fluids Inc, Westec Surveying Environmental Engineering, Baroid The estate where this helmet came from, was of a guy who was a geology major in college, and went to work in the mines right out of college, early 1970's. 6 1/2" - 7 3/4" on interior fitting size