Finely chop lobster meat and add an equal quantity of yolks of hard-boiled eggs forced through a sieve. Moisten with melted butter and heavy cream, using equal parts, and season highly with salt, cayenne, German mustard and beef extract. Spread on sautéd circular slices of bread and garnish with rings cut from whites of hard-boiled eggs, yolks of hard-boiled eggs, and lobster coral forced through a sieve.