Fifteen hundred promotional copies of the original Zelda were distributed as a contest prize through the ramen brand Myojo Charumera. These are sometimes called “Charumera Zelda”. The disk contents and packaging are identical to a regular early print of Zelda, but it has a unique sticker, and a specific date code range. It, of course, also came with with a Charumera Famicom console, also with a special sticker. Read more about it here
I see one or two real ones a year, which sold for $300 in 2020, up to an astonishing $5760 in 2023, and $1200 in 2024. More frequently bootlegs come up.
These two are fake:
This scan from Gaming Alexandria is of a real one.
Some differences to note: