For your consideration, here is a Drilled for Pennant US 1976 Half Dollar Bicentennial Eisenhower Coin.  It has some wear on it.  The coin has a diameter of 1 1/2 inches.  The hole has a diameter of 1/8 of an inch.  It will be mailed in a bubble mailer with foam core stiffeners.  Item pictured is the actual item up for sale and comes from a non-smoking household.  (462.113f-.4bx1)