Check out the following photo up for auction on Ebay. It LOOKS like a scene from "My Fair Gilligan" but the skipper didn't have a necklace on in that episode. Unless it was for some kind of GI promotions party where they had to dress in their costumes.

http://www.ebay.com/itm/Gilligans-Island-Alan-Hale-Jr-Tina-Louise-1966-candid-press-photo-8x8-/110992688774?_trksid=p2045573.m2042&_trkparms=aid%3D111000%26algo%3DREC.CURRENT%26ao%3D1%26asc%3D27%26meid%3D4375462314074691182%26pid%3D100033%26prg%3D1011%26rk%3D3%26sd%3D390517081203%26