Question on a 98 donruss signature series error RIPKEN

[XdanX]

Hey guys, I was wondering what a value would be on an error card like this. Its a 1998 Donruss signature serires Millennium Marks Cal Ripken Jr, thing is Cal forgot to sign this one. The area where the auto is completly blank. Any info or value on a card like this is appriciated.

 

[Fandruw25]

This Andruw cost me $36. Quite a few bids on it to, not sure if it's cause he wasn't in the set or because set collectors wanted one not signed.

 

[XdanX]

This Andruw cost me $36. Quite a few bids on it to, not sure if it's cause he wasn't in the set or because set collectors wanted one not signed.

yea its just like that but cal, any other info guys ?