Accepted Seal 
Accepted Seal, Image & Found by Plodite. 
Found near Maidstone, Kent, 16.36mm, 4.85g. 
 
TEST DEPT / -.- / ACCEPTED / -.- / (N?).T. Co L(T)D // Roman numerals? 
 
Unfortunately the company name or initials are not clear but should help if other partially decipherable seals are found.
 
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Size: 
 
Full size: 
 
1524x776
 
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