A 4 oz stamped 1853 imperial appears to have a crown, but there is some metal almost soldered on in the middle, both front and back. A 1 oz is marked with "KSH" on some sort of crown icon and a second KSH at the top.A 2 oz has KSH on the front and the front and a crown, and on the back KSH and a crown very clearly. The imperial solid ones appear to include CO.
FOR" and them like "r +" or "r 4 or something at the bottom. The smallest one is too dirty to read, but may have a crown stamped in the middle on the front. Kincardineshire, meaning they have origins from Scotland. Marks and Marking of Weights and Measures of the British Isles by Carl Ricketts available online.
The item "13 pieces Antique Imperial Weights set stamped 1853 Kincardineshire KSH Scotland" is in sale since Saturday, December 8, 2018. This item is in the category "Antiques\Mercantile, Trades & Factories\Scales". The seller is "highlandcollectibles" and is located in Westport, Massachusetts. This item can be shipped to United States.