Card show · Longmont, CO
RetroMania Collectibles Show
Saturday, January 23, 2027 · Boulder County Fairgrounds Exhibit Building · Longmont, CO.
- Date
- Saturday, January 23, 2027
- Hours
- 9 AM – 5 PM
- Venue
- Boulder County Fairgrounds Exhibit Building
- Address
- 9595 Nelson Rd, Longmont, CO, 80501
Going? See who's bringing what.
In the CardFinder Live app, collectors going to this show can show their cards ahead of time. See which cards will be at RetroMania Collectibles Show, message the seller, and line the deal up before you walk in.
More: All card shows in Colorado · Full national calendar · This weekend's shows
Show details from the CardFinder Live calendar, updated November 6, 2026. Times and venues can change — check with the show before you drive.