There are 2 The Spring Workout trading cards tracked on HobbyCardIndex, spanning Baseball. The most valuable is the The Spring Workout #87 at $2.43 raw.

Source: HobbyCardIndex · Updated daily · https://hobbycardindex.com/players/the-spring-workout

The Spring Workout Cards

Name: The Spring Workout Card Price Index — Historical Data
Creator: HobbyCardIndex
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2 cards · Baseball

All The Spring Workout Cards

The Spring Workout #87

1991

$2.43

The Spring Workout #87

1993

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The Spring Workout Cards

All The Spring Workout Cards

The Spring Workout #87

The Spring Workout #87

Track The Spring Workout Cards