Check out OnFireGuy for Air-Tite capsules and stuff like that.
https://www.amazon.com/stores/node/9745910011
Pocket Pinger is nice:
https://www.amazon.com/Sound-Money-Metals-Pocket-Pinger/dp/B099RHVCF8
Maybe a scale if you don't have one already?
I'd recommend accessories rather then silver from Amazon