OK this wasn't Poser 9 but PP 2012. And I was able to upgrade with that serial. And PP2012 was upgraded from PP2010, which was upgraded from P8...

As a matter of fact I THINK I've got all my Poser versions at upgrade prices ever since Poser 5, which IIRC I was able to buy at practically nothing at a sale...

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You just can't put the words "Poserites" and "happy" in the same sentence - didn't you know that? LaurieA
  Using Poser since 2002. Currently at Version 11.1 - Win 10.