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Moohan`s diamondback!

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sparky:
OJ - 1084

This serial number would equate to 1980, batch J, build 1084 of that year. The Letter does not identify the month which many have been led to beleive.

These bikes were manufactured by koisumi Japan, with the 1979/80 versions having the red snake decals and the later 1981/82 with prism/blue white writing.

It's more than likely a Pro, but to be sure you'd need to check the geometry of the bike, but looking at it I'd say it's a Senior. :daumenhoch:

If you check the news site of retrObsession it has some information about the red snake decals you're after.

Mark

 :)

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