One very low-end pistol I would happily pay quite a bit for is this Japanese Eagle:
Why? Well, firstly it is the only Japanese spring air pistol currently known. Secondly, I have puzzled over this pistol for a long time, and I just cannot figure out how it works, or even loads, and I would love to get my hands on one to take apart.
It is not just simple pop-out, as it seems at first sight. More pics in the Gallery here:
https://forum.vintageairgunsgallery....ols/#post-6840. In fact I willingly offer a nice chrome vintage Gat to anyone who can provide a plausible explanation as to how it works, to my full satisfaction.