There are 11 John Hellweg trading cards tracked on HobbyCardIndex, spanning Baseball. The most valuable is the John Hellweg [Green Refractor] #JH at $3.50 raw.
Source: HobbyCardIndex · Updated daily · https://hobbycardindex.com/players/john-hellwegJohn Hellweg Cards
11 cards · Baseball
All John Hellweg Cards
John Hellweg [Green Refractor] #JH
$3.50
John Hellweg [Printing Plate] #BCP218
$2.99
John Hellweg [Refractor] #BCP218
$2.49
John Hellweg #JH
$1.99
John Hellweg [Refractor] #BCAJH
$1.91
John Hellweg #BCAJH
$1.06
John Hellweg #BCP218
$0.99
John Hellweg [Red Refractor] #BCP218
$0.99
John Hellweg [Purple Refractor] #BCP218
$0.25
John Hellweg [Blue Refractor] #BCP218
$0.25
John Hellweg [Green Refractor] #BCP218
$0.25