There are 2 M. Kelley trading cards tracked on HobbyCardIndex, spanning Baseball. The most valuable is the M. Kelley [Hand Cut Should Be G. Kelly] #26 at $35.00 raw.

Source: HobbyCardIndex · Updated daily · https://hobbycardindex.com/players/m-kelley

M. Kelley Cards

Name: M. Kelley Card Price Index — Historical Data
Creator: HobbyCardIndex
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2 cards · Baseball

All M. Kelley Cards

M. Kelley [Hand Cut Should Be G. Kelly] #26

1920

$35.00

M. Kelley [Should Be G. Kelly Hand Cut] #25

1921

$5.51

M. Kelley Cards

All M. Kelley Cards

M. Kelley [Hand Cut Should Be G. Kelly] #26

M. Kelley [Should Be G. Kelly Hand Cut] #25

Track M. Kelley Cards