Looks good, but has been sitting around the shop for several years, and is untested. I can provide a new HP seat, but I don't have all the exact orings for a rebuild so you should do that. I would be glad to test it on the bench and report back if you are interested. $40 +postage, with new seat provided.
If anyone can identify the model # that would be appreciated. Also have nice Tekna first stage available that is very similar.
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The older I get the better I was.