1849-50 20c black & 25c light blue showing the dots on chin and mandibleThe easiest "field mark" is the 1870-71 "Bordeaux" stamps
have lines drawn by the chin and mandible, while the first 1849-50 issue has "dots".
Difficult to tell with the resolution of your scan. Are they dots or lines?
Compare your stamp using a magnifying glass to the 1849-50 scan here.
Dots or lines?
(Edit: I agree with pagoda that they appear to be dots, but double check.
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Posted 07/22/2013 2:20 pm
