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Corelay - Polymetallurgical Corporation (PMC)
| Mintage | 500 |
| Diameter | 27.00 mm |
| Thickness | 3.00 mm |
| Composition | Copper Alloy with a magnetic iron core |
| Weight | 177.00 grains (approximately 11.47 grams) |
| Thickness | 3.00 mm |
| Edge | Reeded |
| Price | around $650 |
This Corelay® token was produced by the Polymetallurgical Corporation (PMC) of Attleboro, Massachusetts, and was presented as a coinage option to mints throughout the world. PMC produced 500 of these tokens specifically for presentation at the XIX Mint Directors Conference held on May 27-30, 1996, in Warsaw, Poland. According to Polymetallurgical Corporation, Corelay® "consists of a magnetic core material surrounded by a non-magnetic or slightly magnetic alloy selected for its durability, anti-tarnish properties, color and formability. Coinage made from Corelay system allows the magnetic core to be virtually invisible to the naked eye, giving the coin a monolithic appearance while allowing high degree of detectability by coin validators."
The Corelay® technique was pitched to the U.S. Mint as a viable option for the dollar coinage program. It was tested by the mint and was found to have a high degree of security. For various reasons however, Corelay® was not selected as the material used for the golden dollar. Currently, there is no coinage using the Corelay® system.
Corelay® Booklet
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