Quote:
Originally Posted by Dean Romig
D and 3 together, normally the numeral is above the letter, indicates 3-blade Damascus. Grade 2 flats were not marked with the grade number. That started with Grade 3.
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That's what I've always heard, too. Here are two G grades, one with D4 and one with D3. The "c" stamp I've always heard meant "crolle" but I certainly have no evidence to back that up. There isn't a lot of difference to my eye between the D3 and D4 patterns, except maybe the size of the swirls. I have seen some really large swirls on other makes that I do not particularly care for. D2's possibly?