hello!i found a three pence viktoria stamp it should be crown and A watermark and it is inverted and it has the rare perforations 12 1/2 and 11 ,is there enyone ho havs som information about this stamps!isit very rare whith invered watermark on this stamp or not,it should be rare whith the perforation 11 and price is maybe inpossible to say!iam just looking for some more info of the stamp!thanks for the help

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