What does this thing get used for?

It's a sherry glass tray for serving the ladies sherry after dinner while the guys drank port and smoke cigars in another room

It's hard to tell what size it is but it looks like a calling card tray to me.

I'm inclined to say a tea serving tray

Tea?

Manufacturing stop signs

Not sure but looks like a nice silver piece!

That's where you get things lined out

Hm. Deity offerings.

Serving food probably.

It’s a huge cookie cutter of course 💁🏼‍♂