The Smith & Wesson 637 has held its place as a top choice for concealed J frame revolvers for multiple decades now, and for good reason.  These little revolvers do their job well.  This particular model is in fantastic condition, showing very little signs of use.  As the photos show, there is some wear & tear from being put into the holster, but the condition shows to be Excellent.
 
In addition, this revolver comes with a kydex pocket holster.  I forgot the brand of this holster, but I specifically remember Hickok45 commending it in a video about the SW 642, and it cost around $50.  If you have any other questions about this particular firearm, dont hesitate to reach out!