What Is A Plug Nickel - Coins so tampered with are no longer legal tender. Plugging is one of many ways to debase the value of a coin. Most commonly, a hole is punched in it. The 'plug' or 'plugged' coin has a. Web plugs are the holes made in coins, which is then filled with a cheaper metal.
Coins so tampered with are no longer legal tender. The 'plug' or 'plugged' coin has a. Web plugs are the holes made in coins, which is then filled with a cheaper metal. Plugging is one of many ways to debase the value of a coin. Most commonly, a hole is punched in it.