Really variable. the QR version will be worth more with the skewers.
$30 to $130. the market for these is thin. Do your homework and know how to ship to Japan for the hope that two Japanese bidders will desire them.
I sold these hubs on CR. Plenty of interest, and a lot of information came out after I posted them there.
They would be fun to have, but as the flanges are not aligned as well as the typical campy hub with the spoke pull and that they probably have tipo or lower bearing races, I guess it is for the rarity, not the absolute function.