There are 10 John Newcombe trading cards tracked on HobbyCardIndex, spanning Tennis. The most valuable is the John Newcombe [Red] #CA-JN at $59.00 raw.
Source: HobbyCardIndex · Updated daily · https://hobbycardindex.com/players/john-newcombeJohn Newcombe Cards
10 cards · Tennis
All John Newcombe Cards
John Newcombe [Red] #CA-JN
$59.00
John Newcombe [Orange] #CA-JN
$19.74
John Newcombe [Gold Wave] #49
$10.60
John Newcombe [Refractor] #49
$2.50
John Newcombe [Black White Mini-Diamond] #49
$1.85
John Newcombe #49
$1.78
John Newcombe [Purple Wave] #49
$1.69
John Newcombe #ACE-6
$1.49
John Newcombe [Green] #49
$1.00
John Newcombe #ROH-12
$0.99