I don't like to suggest certain makers or knives when someone says My first . . . . who am I to decide what ultimately must be your descision?
I can give you suggestions on general look fors.
1. Look for a knife that talks to you. It should say, hold me, love me, take me home!
2. Look for a knife that feels good in your hand. It should feel nice when you hold it, You should not have to grip it tight, it should feel as though it belongs in your hand.
3. Look for a knife that pleases you. It's not what anyone else thinks you should collect, nor what others will think when you tell them you own it, it is something that makes you feel good to own.
4. Look for the knife that fits your price range. Not all customs cost $1000+, you can actually find some great customs by lesser known makers with the same qualities as the more well known makers, but as a lower cost. Unless you have big money to spend, I'd say start low and work your way up.
The ultimate decider on what you buy is you. We all have oooed and ahhhed over the great high-end art knives, but the knife must fulfill your needs.
Hope this helps.
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Peace
Paul
Custom Knife Purveyor
Circle P Knives