There are 10 Washington Senators trading cards tracked on HobbyCardIndex, spanning Baseball. The most valuable is the Washington Senators [Dated] at $74.95 raw.
Source: HobbyCardIndex · Updated daily · https://hobbycardindex.com/players/washington-senatorsWashington Senators Cards
10 cards · Baseball
All Washington Senators Cards
Washington Senators [Dated]
$74.95
Washington Senators #US-320
$7.80
Washington Senators #44
$5.66
Washington Senators
$4.67
Washington Senators #676
$4.32
Washington Senators
$3.59
Washington Senators [Logo]
$3.25
Washington Senators #462
$2.77
Washington Senators
$2.50
Washington Senators [Coaches] #470
$1.99