I think these are ice cream spoons, whatever the intended use they are definitely not common teaspoons. There are some dark tarnish spots as well as normal overall tarnish. The reverse of the handles are monogrammed H I think.
Total weight is just a hair over 7 Troy Ounces. The item "Set of 5 Estate Silver Antique Tiffany & Co. Sterling Olympian Ice Cream Spoon" is in sale since Monday, October 12, 2020. This item is in the category "Antiques\Silver\Sterling Silver (. The seller is "zochasbears" and is located in Shrewsbury, New Jersey.
This item can be shipped worldwide.