I don't think your scans/photos are good enough to tell. If so, it's a nice card. Does the seller have any other 1949 Bowmans to compare it against? The rough edge cut looks authentic, but either your images are grainy or the card is a counterfeit.
Here is a real one to compare it against:
1949 Bowman - [Base] - Gray Backs #233 - Larry Doby [SGC 40 VG 3]
Courtesy of COMC.com
Just click on the card to go to the site and you can see a blown up image that will help you determine.