Exhaust markings

i have 1972 lady dax (st70e) should there be any markings /numberings on the exhaust....its in prettty good nick and was listed as original but i thought there should be some sort of numbers etc ?.Thanks in anticipation.....Chris

Hi Chris,

Yes they are marked by inside edge of the the top bracket.
Mine says "HM ST70 HM ST70"

Hope this helps,

Blue