Korea’s Coinone Launches Physical Cryptocurrency Exchange (news.bitcoin.com)

Korea’s third largest bitcoin exchange Coinone has opened a physical cryptocurrency exchange. Six cryptocurrencies are supported including bitcoin, bitcoin cash, and ether. The complex has a bitcoin ATM, a large display board with market information and features a face-to-face consultation service.
Also read: South Korea Takes

Bitcoin

What physical coins of bitcoin exists?

Whenever a news article is written about bitcoin, it has this “physical” gold/brass coin with detailed circuitry on it as an article picture.

For examples see here and here.

Does this really exists? Who makes them and where can I buy one? Is it from gold? I am specifically interested in the coin with this “detailed circuitry” like the two on the pictures I linked. I was able to find some sellers of physical coins, but they are not as detailed/precise.

What other physical coins “of bitcoin” exist?

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