BLUE MILK GLASS COVERED DISH

THIS IS A TWO PIECE COVERED DISH IN BLUE MILK GLASS. I HAVE NOT BEEN ABLE TO FIND WHO IT WAS MADE BY. T IS NO MARKING ON THE DISH. THE COVER HAS TWO BIRDS FEEDING THEIR BABIES. IT MEASURES 4 3/4" LONG AND 3 1/2" WIDE. IT IS IN EXCELLENT CONDITION.