There are 2 Mark P. Johnson trading cards tracked on HobbyCardIndex, spanning Baseball. The most valuable is the Mark P. Johnson #209 at $0.25 raw.

Source: HobbyCardIndex · Updated daily · https://hobbycardindex.com/players/mark-p-johnson

Mark P. Johnson Cards

Name: Mark P. Johnson Card Price Index — Historical Data
Creator: HobbyCardIndex
License: https://hobbycardindex.com/legal/terms

2 cards · Baseball

All Mark P. Johnson Cards

Mark P. Johnson #209

1995

$0.25

Mark P. Johnson [Future Stock] #209