Hello Traffic light=colored dots on stamp sheet margins used by the printers to check color accuracy. I have a GB stamp ,Sc#1163,with dots on it. This variety is registered? Tnank you.
This has nothing to do with traffic lights. They are colour-checks printed in the sheet margin. They won't have such irregular spacing either. If these dots are not part of the cancellation, it may be the case a foreign object was placed on the stamp. It cannot be an offset either, as that would be on the gummed side.
These aren't traffic light dots. Traffic lights are small discs of each colour ink, similar to what you sometimes see in the margins of magazine pages and the like.
These grey dots are part of the postal cancellation.
Thank you,all. I do not collect recent stamps and this is the first time I have seen these points. He misled me the color of the dots which is similar to one of the colors of the stamp. The dots don't printed in offset.
The dots are some machine readable coding that were put onto the envelope at some stage of sorting. Now they use a pattern of yellow vertical bars. Traffic lights appear as a row of different coloured dots on the margin of the sheet, showing how many colours of ink are used in the printing. off hand I would say the dots of traffic lights are about 5mm or 1/4" in diameter.
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Posted 03/02/2020 1:08 pm
