Check it out, 1974 1st annual Americas Cup Land Sailing poster.
I bought this at an estate sale along with a 2nd annual poster too, both are listed on ebay.
make me an offer
http://www.ebay.com/itm/251620319024?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649 
