That Facebook group was recently taken down (only recently-joined copycat groups remain), but not before many fell for this Fap-Prevention Cross hook line and sinker.
Sadly, the guitar has since been pulled from Craigslist. Some highlights from the item's description:
Get a load of this! For sell – Rare vintage custom Wangcaster with hard case. Nice playing smooth neck with fast action. Great for slide. Ready for some hot licks. All solid wood! New Elixirs this morning. New output jack and bone nut by a professional luther. Extra strings and pick included. Perfect for Mother's Day. Need gone today. No trades – cash only – today only. Thanks for looking.