The five-stamp set of 1977 Queen Elizabeth Silver Jubilee UK stamps by themselves are worth anywhere from 0.69 in used condition to a few pounds for the stamps on a collectible card, as of 2014. A fuller collection, including stamps from all the British territories, can be worth substantially more.
With a more complete set including stamps from around the globe and/or a stamp collection book, such as the Westminster Historical Society book which includes inserts from all British territories, the value substantially increases. For instance, a complete collection of 56 stamps in the Westminster Historical Society stamp collecting book can sell for over 100 as of 2014. As with all stamps, the condition, use and centering of the stamps is crucial in determining value.