There are 4 Pat Hallmark trading cards tracked on HobbyCardIndex, spanning Baseball. The most valuable is the Pat Hallmark [Refractor] #325 at $2.99 raw.

Source: HobbyCardIndex · Updated daily · https://hobbycardindex.com/players/pat-hallmark

Pat Hallmark Cards

Name: Pat Hallmark Card Price Index — Historical Data
Creator: HobbyCardIndex
License: https://hobbycardindex.com/legal/terms

4 cards · Baseball

All Pat Hallmark Cards

Pat Hallmark Cards

All Pat Hallmark Cards

Pat Hallmark [Refractor] #325

Pat Hallmark #13

Pat Hallmark #20

Pat Hallmark #13

Track Pat Hallmark Cards