Copper-lined box in my liquor cabinet image

MetalsOnReddit (/r/MetalsOnReddit): MetalsOnReddit is dedicated to curating a comprehensive collection of posts from all over Reddit that discuss various categories of metals, including Gold, Silver, Platinum, Palladium, Copper, Nickel, Rare Earths, and Minerals.

For the identification of mysterious objects (/r/whatisthisthing): For the identification of mysterious objects