Very Elegant 40 pieces of Stemware, 4 different sizes Very old & fragi in Hyde Park, New York

OK, Here are 40 Elegant pieces of Real old Antique STEMWARE, these are OLD & I THINK they are CRYSTAL, I can not find any markings on them & I don`t know for SURE, (I do know that they break very easy as I have broke a 12 of them over the years.) OK please LOOK at the pictures as they show the condition. Please ask any thing