I just found this on ebay, listing Item: 182977519095 large lot of spring relays for sale.... thought I'd share it....
Here's the eBay link and a screen capture of the listing.
https://www.ebay.com/itm/182977519095
BIN $500 plus $65 shipping seems high to me but what do I know, I don't even know what these are.
Posting the auction image for forum posterity.