These aluminum dental heads are from the 1950’s and has the metal shroud pins where a rubber dental dam would be stretched over the mouth. The teeth set is probably from the mid 1960’s and has signs of dental school use. Typically the dental student would perform a procedure then hand in the teeth set for evaluation. The set is etched on the sides--teeth are removable via tiny screws on the tops and bottom. The topof the head is also etched with the numbers and initials CC—most likely the community college . Comes with custom steel stand as shown. Sold individually