lead seal

Hi guys, new member here! Found this while detecting with my cheap detector, could you please help me ID it? I've done some research myself, and I think it's a roman lead seal/ring. But I would need some experts help from here. Thanks!

Lead seal with galleon and number scratched on the back. Found on a rally at the weekend. Dave.

Hey everybody, I hope someone can give me some help identifying a couple of lead seals I found at a 1890's home. It looks like they say "STANDARD"? I am assuming that it went on a bag of meal or flour? I'm not really sure. I've never found one like this. Surely one of you guys have dug...