These are 3 heavy flattened glass jars, 8-10″ high , with bubbles in the glass, rough spots on the bases, and uneven lips. They were made in Iran, probably to hold wine, and are what are called saddle flasks.
Phil Culhane is a Canadian glass collector who has written extensively about old Persian glass. His website is: saddleflasks.com
Here are 3 of his published articles that I found to be very useful:
I think these 3 bottles are what he calls ‘Type III’ flasks, probably made between 1725 and 1920. He describes Type III flasks as having “a v-tooled, worked lip…. a narrow body, and .. very, very heavy.”