Kali Phosphate Seal, Image & Found by JimmyY.
Found in England, ?mm.
Curved around the outer border of both sides are the words KALI PHOSPHATE with a picture of a palm tree in the centre (uncertain on one side).
Phosphate was used in large quantities on farms to help fertilize plant growth.
The Kali here probably does not refer to the Hindu God but is from kalium the Latin for potassium (K) which forms a salt with phosphate commonly used in the fertilizer industry - potassium phosphate (Monopotassium phosphate).
A company name of Kali has not been traced but the term is used in Germany.
Kali Phosphoricum. Common Name Phosphate of Potash.