Effective immediately, all Mavin accounts will be shut down. This is the first step in winding down the company, and we will be wiping all private user data from our servers.

The average value of baseball cards is $7.17. Sold comparables range in price from a low of $0.16 to a high of $434.51.

Look up what your stuff is worth. Get real market values based on what it sold for in the past and what it's currently selling for. Generate an appraisal by choosing comparables that match the condition of …