The ALPCA Rocky Mountain 44th annual license plate meet will be held on September 17-18, 2021 at the Al Lesser Building at the Riverdal Regional Park and Fairgrounds, 9755 Henderson Road, Brighton, Colorado. Hours are 8-4 PM on Friday and 8-3 PM on Saturday. Donation auction is on Saturday at 10:30 AM. This is an ALPCA members only event. However, new collectors may obtain a guest pass.