There are 14 Michael Phelps trading cards tracked on HobbyCardIndex, spanning Baseball, Basketball, Golf. The most valuable is the Michael Phelps [Red Foil] #20 at $19.99 raw.
Source: HobbyCardIndex · Updated daily · https://hobbycardindex.com/players/michael-phelpsMichael Phelps Cards
14 cards · Baseball Basketball Golf
All Michael Phelps Cards
Michael Phelps [Red Foil] #20
$19.99
Michael Phelps #44
$14.23
Michael Phelps [Mini Gold Border] #129
$6.47
Michael Phelps #122
$6.29
Michael Phelps [Mini Allen & Ginter Back] #276
$5.99
Michael Phelps #276
$4.99
Michael Phelps [Mini Allen & Ginter Back] #129
$4.98
Michael Phelps [Mini Black Border] #129
$4.47
Michael Phelps #129
$3.41
Michael Phelps [Mini] #129
$2.50
Michael Phelps #20
$1.92
Michael Phelps #BS-9
$1.21
Michael Phelps [Silver Foil] #20
$1.00
Michael Phelps #122
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