Figure of Eighty?

Figure of Eighty?

Observation - Figure of Eighty?. Description: At the lights last night - markings don't look quite right but can't match it to anything else. Second picture gives you the scale the wood channel is 10mm wide.

At the lights last night - markings don't look quite right but can't match it to anything else. Second picture gives you the scale the wood channel is 10mm wide.