H&K Tunstall China Set

I have an H&K Tunstall china set that my mother found in an old house when I was young. It has stayed in the family  over 35 years and just recently was passed on to me. The name on the back is Montrose and it does have the green unicorn with H&K Tunstall written underneath. One of the dinner plates is chipped underneath and the gravy boat has a line that almost looks like a crack under the glaze. This is not a complete set. I have:

6 dinner plates; 6 salad plates; 3 dessert plates; 5 saucers; 6 tea cups; 6 soup bowls; 5 dessert bowls; 1 platter; 1 vegtable bowl; 1 gravy boat and dish.

My wish is to find out more about these items as I have not been able to found any information on the pattern and very little about H&K Tunstall.

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