[MRM]

Posting it here isn't a bad start. Lots of knowledgeable collectors here. The other suggestions would be the classified section on timezone.com and eBay. You could go to the Rolex forum on timezone.com and get opinions on valuation and then put it on the classifieds page.

EBay is probably the easiest. Lots of Rolexes sell on eBay. Lots of Rolex scams on eBay, too, so being able to demonstrate the watch's provenance is essential. Do you have the original box and papers? Any repair records that you can use to show it's original and genuine? Anything like that will increase its value and desirability.