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In Kanji
"White" is 白,
"2" is 二
"Steel" is 鋼

There are two other scripts used, Hiragana and Katanaka. Don't know the symbols for those, but I am sure they can be googled. Sometimes a mix of...

most are white 2, some are blue 2, some are tamahagane

Not sure if you are asking me, but if it is not stamped with the type of steel, how can we be sure it is what it is claimed to be?
Japanese knives made from White or Blue steel are always stamped....

Not sure what the steel is. I see listings on ebay that claim White 2 steel, but if there is no stamp on the blade I do not believe it.

I have honed a bunch of those, they are very easy to hone and they take a great edge.

Do you have any evidence that the steel is White #2? That steel was mainly used by kamisori makers.