Looks like a 1956 release date.

An auction photo of the back cover says, "The Dark-Eyed Sailor is of English origin dating roughly from the early eighteen hundreds."
http://www.ebay.com/itm/NORMAN-LUBOFF-CHOIR-Songs-of-the-Sea-Vinyl-33-LP-Music-Record-Album-VG-Stereo-/300852331913?pt=Music_on_

I've loved the song for years and look forward to hearing your rendition.