Vee's old rear plate, backing film buckled and delaminated:

Dirt gets in, sticks to the adhesive (although not as bad yet as on the plate this replaced), and eventually partly obscures the number:

Position of one of the fixing holes on the old plate, deliberately chosen to be between characters:

Same hole positions on the new plate with different character positioning, thankfully both fixings just inside character boundaries. Of course I reused the fixings, just painted them satin-black: