Since it's your gun, the best thing is, you get to choose. They don't look at all like a modern target hammer except of course they are wider. The key to the cockeyed and/or double cockeyed hammers is retaining the original hammer side profile with the top curve and teardrop under the tip as shown above in post #7. That's why I like them. But of course you don't have to do that either.

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Jim
S&WCA #819