Very please with very smooth Japanese cast iron marked "03-10": 4 notches, hollow handle, and marked "JAPAN" instead of "Made in Japan" ... which was included for free with BSR pan. : r/castiron
Nimoa Mini Frying Pan Cast Iron Japanese Omelette Pan with Wood Handle - for Tamagoyaki Eggs Pancakes : Amazon.co.uk: Home & Kitchen
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Japanese Omelette Pan Small Cast Iron Pan Omlete Frying Pan Egg Molds for Frying | eBay