#7806 Sun Valley Barbie and the #7807 Newport Barbie are the same doll as Sunset Malibu Barbie from 1973. The Sun Valley Barbie came with either yellow or orange skis in her set. The only female doll that is different in the Sports Set Dolls is #7808 Yellowstone Kelley.
Barbie is marked: 1966 Mattel, Inc. U.S. & Foreign Patented Other Pat's. Pending Made in Taiwan
For more information on #7808 Yellowstone Kelley and #7809 Sun Valley Ken, click the links below their pictures.