Polish Steam locomotive full size Metal cabside numberplate

Polish Steam locomotive full size cab side number plate.  Class OK 1 - 48 Polish State Railways (PKP), Has 4 drilled fixing holes.

Painted in the colours and produced by a PKP depot  - in very  good condition Very heavy!!

This maybe a replica but it is difficult to determine.

Sold for the Leighton Buzzard Narrow Gauge Railway funds.