Really tempting even without the spring. Not connected in any way, just noticed it.
https://www.ebay.com/itm/Lyman-30x-...583629?hash=item3b3e04f88d:g:A6wAAOSwFEhd3A2q
https://www.ebay.com/itm/Lyman-30x-...583629?hash=item3b3e04f88d:g:A6wAAOSwFEhd3A2q