Separated at Birth

We have elsewhere presented stamps ‘by implement’, which jumbles different colors together and separates kindred printings. For the experimental oilcolor period, it could prove fruitful to organize certain diverse material (reprints, trials, postal issues) into groups of similar, or even shared, pigment. Some data collection here for now.










The cancelled item above is known for May 1878, the advent month of the New Rectangulars.

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