Winnipeg tagging is similar to Ottawa, but instead of showing green, in a
dark room when you turn the UV lamp off it will glow for a few seconds...
you can see it with the UV lamp on depending on the issue... hope this
helps... kk


"K. Patrick Laffin" wrote in message
s.com...
Can anyone tell me what I am looking for on Canadian Christmas stamps
and assorted other issues. Are these phosphorescent like the British
stamps of the same period or are they fluorescent like Ottawa tagged
stamps from 1972 onwards?

Thanks,
Patrick




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