Place mayonnaise, lemon juice, lemon zest, herbs and seasoning in a bowl. Mix well and check seasoning.
Cut up lobster meat and mix in with dressing.
Butter one side of each piece of white bread.
Add the Lettuce, tomato and onion rings then Place equal amounts of the mixture on three pieces of bread add the provolone cheese then Top with second slice and press edges together.
Trim crusts, and then cut each sandwich in half. Serve immediately.