OK I have no idea what this is bar a funky Odyssey post.
A post liek any other the major quirk being it's a pump as well.!
and it works (well it does with no saddle attached!) pumped up two tyres with it no problem (quite a good pump actually!)
A mad design with a brass knurled schrader adapter at the saddle end and the normal pump workings inside i'd like to know what it is before i list it rather than go "dunnow" to questions
Marked as Odyssy below the max height line. there appeared to be some white lettering below the clamp at the back but it's all pretty much gone.
I'd be very interested in the seatpost reflector if you decide to split.