Ahh, that is the question isn't it. There has been talk on Fastlane about change over dates of 3/75, 9/75, 12/75 and 3/76.... which one is correct I have no Idea. All I can tell you is my 5/75 Contessa Gold HJ Sandman I bought in 83 had a 5 digit speedo in it because it had been clocked and was reading 1400klm when I got it.
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