u/Applesandbananas333

Restoring a ~1910 sewing machine cabinet for myself and I need to (try to) patch a big chunk of missing veneer. Thanks!

I recently got this singer sewing machine desk from 1909. I am not at all well versed in wordworking. I am looking to preserve the original features of this piece as much as I possibly can. That being said, the veneer on the top surface of the desk looks to be in bad shape. I am requesting opinions please- should I try to repair this veneer with a filler/patchwork veneer situation, or should I just take it off and replace with something as similar as possible (I think this is red oak???). Suggestions greatly appreciated, I am in over my head!