Metronic was established on April 20, 1949. 

This medal was designed as the 25th anniversary medallion for Medtronic medical supply.

It measures 2 1/2" across by 1/8" thick and weighs slightly over 4 oz. 

Nonmagnetic, it appears to be plated brass. 

Medtronic would have celebrated its 25th anniversary in 1974.

Medallion is in beautiful condition with lite scratch above head of 2nd human and a nice patina.  

Metal holder appears to be of aluminum metal.  

See photos.