Powder coating - Aurum / Vaz / Armourtex / Respray gallery

After my recent powdercoat at Armourtex the frame number was barely visible, so I attempted to scratch out the numbers with a sharp object. This worked, but the end result doesn't look great.

Could I apply some gasket remover to just strip the powdercoat and laquer from the rectangular area around the frame number, or would it be difficult to get a neat result?

To answer my own question, I filed and sanded down the area around the frame number, then covered it in clear nail varnish to stop any rust. It's makes the number very readable and looks reasonably neat: