Don't store it in a leather holster. The acids in the leather can interact with and damage the finish over time.
I made an oak stand similar to the bookends that Norm has shown above. It's useful for display and for photography.
I store guns in a safe with a GoldenRod dehumidifier. They are stored in silicone impregnated zipper cases or silicone based gun socks.
Gun Sock Link
Marc
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Igitur si vis pacem, para bellum -
- Therefore if you want peace, prepare for war.