Buyer pulled out last time, so it is back up.
As-new, boxed Tak extender ED1.5x (basically a high end Barlow). Same as this one:
https://www.intercon-spacetec.de/typ...534b6cd741.jpg
$275 posted (new is $469)
OR I would trade it for a Tak 7x50 illuminated reticle finder with bracket.