Distinguishing the Six Printings of the 1d Lilac Surface Printed Lagos Stamp With Crown CC Watermark and Perforated 12.5
I find that the best way to proceed with these is to try and sort used stamps first, and then to match the mint stamps to the used stamps that you have classified, since there are very few clues that will definitively allow you to correctly classify the mint stamps.
In attempting to assign individual stamps to the six printings, I find it useful to look at three things:
2. Colours - particularly the colour of the value tablet, or duty plate in relation to the head plate.
I will briefly discuss how each of these characteristics can aid in iden…