|Cresent Motel, Allendale, SC|
Edit: Interesting discussion came up on facebook as to whether this was simply a typo that became permanent. I am not the first or last person to get the image. Here is an old postcard when it was in business.
Then I found this key for sale on ebay with Crescent spelled the usual way. Perhaps Room 3 had special meaning for someone and they will turn over $16 for it.