There are 71 chips in this collection and only three or four show any kind of circulation. I thought these might be Matsui samples but after removing them from the folders and going to their web site http://www.matsui-gaming.co.jp/e/chip/wheelcheck.html what they show as "Moulded Wheelchecks" have a longer injection point at the inner circle. At one time Matsui had examples of the designs offered but I do not see them posted on the site anymore. I would like to sell all 71 chips together as a collection. If interested make a reasonable offer tucsonsmitty@hotmail.com