These discs from what see is that are a 1st quality disc that has a blemish within the stamp somewhere that doesn't affect the flight of the disc. MVP Discs stamps a version of the famous Beaker of some sort with Factory Misprint on the stamp above.
The blemishes may include foil dropouts, mold stamped with wrong mold name, and multi-stamp misprints that are stamped over
Speed
|
Glide
|
Turn
|
Fade
|
5
|
5
|
-0.5
|
1.5
|