Howdy Again
Interesting photos. That is not a typical K-38 Hammer. Compare it to the hammers on this pair of K-38s.
This one shipped in 1950.
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This one shipped in 1957, just before the change over to the Model 14 name. This one is wearing fake stag grips, and the front sight has been reshaped, but both of these K-38s have the early Speed Hammer style of short throw hammer.
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What I believe you have there is a target hammer from a later revolver.
In this photo, a Model 14-3 is at the top, and a K-32 Masterpiece is at the bottom. The Model 14 has a typical short throw hammer. Now notice how much longer the hammer spur is on the K-32 hammer. That is a short throw target hammer.
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In this photo, both hammers have been cocked. Again, notice how much longer the hammer spur is on the K-32 Target Hammer.
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Model 14 hammer on the left, K-32 target hammer on the right. Notice how much wider the spur is on the K-32 target hammer.
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Both hammers cocked, Model 14 on the left, K-32 target hammer on the right.
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I suspect somebody has substituted a target hammer from a later revolver, like on the K-32 in my photos onto your K-38. I cannot conclusively say your K-38 has a replacement hammer, but I have never seen a hammer like that on a K-38. I suspect, as somebody has already said, that your hammer was polished to remove the Case Hardening colors and bring it down to bare metal. The hardness will still be there,but the colors have been removed. Notice how your firing pin is still dark.
I suspect the same with your trigger. If your hammer has been replaced the original trigger may not fit it properly. Somebody may have substituted a latter trigger, and again, polished it to remove the Case Hardening colors.
I suspect the same with the thumb piece (the part you push forward to open the cylinder). It would most likely have originally been blued, and somebody polished it to remove the blue.
You have a very nice K-38 there, I just suspect the hammer and perhaps the trigger have been replaced.
I would be happy to look up when it was made if you would provide the Serial Number. You will find the Serial Number on the bottom of the Butt. It probably starts with a K prefix. Don't post the complete serial number, substitute Xs for the last two digits, but do include the correct amount of digits.