Check the listing for details. LARGE Antique Coffin Nails, Square Nails, Oddities & Curiosities, 4 1/2 Inches. Condition: Used. Listed at 17.00 USD. Guaranteed Fast Shipping. We ship within 1 business day. Authentic coffin nails, probably from the 1800s. You will receive 5 coffin nails tied with twine. These are large nails measuring 4 1/2 inches long. It's a very rare size. Due to their age and use, it is possible for one or 2 to be slightly bent. But most are in great condition. Check out our shop for lots of other Oddities and Curiosities.Guaranteed Fast Shipping. We ship within 1 business day. Authentic coffin nails, probably from the 1800s. You will receive 5 coffin nails tied with twine. These are large nails measuring 4 1/2 inches long. It's a very rare size. Due to their age and use, it is possible for one or 2 to be slightly bent. But most are in great condition. Check out our shop for lots of other Oddities and Curiosities.