Cloth Seal, Alnage, Portcullis 
Cloth Seal, Alnage, Portcullis, Image by Derfel, Found by Peter Olivant. 
Found on Thames Fore Shore, 14mm. 
 
26 1/2 over two loops (scratched) // (?crowned) portcullis E (?R) to sides. 
 
Probably an Elizabethan alnage seal.
 
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