This used MSA Comfo-Cap low vein coal mining hard hat is a vintage 1977 piece listed as a prop, making it relevant for collectors, display use, or costume and film production needs. The listing title references Pennsylvania coal mining context, which may matter to buyers looking for region-specific memorabilia. Free shipping is included, which can help when comparing total cost. Because this is a used vintage item, condition details such as wear, markings, and interior components should be reviewed carefully before purchase. If you are buying for collecting, set design, or historical display rather than active use, this type of item may be a practical fit. Check the listing for full details. Dopesick Mining Hard Hat Low Vein Coal MSA Comfo-Cap 1977 Vintage Prop PA. Condition: Used. Listed at 99.95 USD. Item is missing liner and in condition shown in photos. Manufacture date appears to be July 1977. Previous owner was part of the Pennsylvania mining industry.