Beautiful Swan Covered Dish - Flamingo Thick Pink Glass - Heisey? Reproduction?

"Flamingo" Pink Glass Swan Covered Dish Bowl weighs approx. 1 1/2 lbs. without packing for shipping about 5 1/2" long and 5 1/2" high There is a mark on the bottom of what looks to me as a Letter H in a Diamond Shape Possibly a Heisey reproduction Excellent condition no cracks or chips very thick glass