1970 Cincinnati Reds Riverfront Stadium Brass Plate MLB Baseball Team Embossed1970 Cincinnati Reds Riverfront Stadium brass plate, which was issued during the inaugural season of the Cincinnati Reds at the new Riverfront Stadium, and the year of the 1970 All Star Game held at the new stadium. After years at Crosley, the celebration in 1970 of the new Riverfront Stadium in Cincinnati and hosting the All Star Game there that inaugural year was the highlight for the city and the Cincinnati Reds Measurements: 8. 25 diameter Great