That is a manganese glow, leave it in the sun and it will start to turn purpleIt seems to be made in two stages.
Patd. October 24 1905 .
Reads " warm cap slightly to seal or unseal "
Thank you, you are good.This thread has more info on it: https://www.antique-bottles.net/threads/what-do-these-lids-go-to.110855/page-2
It should go to Red Book 2315 or 2796. Apparently it's an unmarked jar which is very hard to find, so if you just dug it I'd suggest going back to where you found it and seeing if you can find any jars that fit.