electric head control h16

Material relating to the philately of the reign of George V.
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MIKE
Posts: 75
Joined: Sun Feb 07, 2016 1:44 pm

electric head control h16

Post by MIKE »

Some time ago I read an article on Geo. V royal cypher green half penny which was describing control H16 electric head - recently I discovered tucked in my stock book an example labelled as such but I cannot find any reference to this flaw/print type or whatever - appreciate any advice.
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