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I just shaved with the 4th not sealed from the factory vintage razor ever to still have a decent edge after many decades. Since I've been at this hobby I've probably seen 700-1000 vintage razors, so...

the first razor is small joseph rodgers, may be 9/16 and the second is largeish palmera. Even though the grind is similar they'll feel quite different on your face. Looks like you own the second one...