Quote:
You truly are indefatigable. Does "tagged" mean with flourescence? I've been meaning to ask for ages.
(Sucks in breath, through tight lips)
Hmmmm,
Geoff, may I pass on this one ?
To be honest, I am all "sixes and sevens" with these references,
I'll let the ball go through to the keeper,
and ask our Canadian Specialists to enlighten us, please?
I think I have seen it explained before, but it didn't linger in the grey matter.
tagged-flourescence, phosphorescence ?
Update : From "Askphil"
Tagged: philatelic item that has had the postage area treated with material sensitive to ultraviolet (UV) light, so that the
item can be mechanically for cancelling. (sic)
Further:
Taggant: phosphorescent added to a stamp to aid mechanical canceling, only visible under ultra-violet light; may be
applied in a strip, a block or over the entire stamp.
Tagged: philatelic item that has had the postage area treated with material sensitive to ultraviolet (UV) light, so that the
item can be mechanically for cancelling.
Tagged block: tagging applied on a stamp in a rectangle that does not touch the perforations.
Tagging: phosphor coating either on a stamp or paper, that is invisible in normal light; used to activate automated mail
handling equipment; first applied in Great Britain in 1959.
Tagging breaks: regularly recurring interruptions in their overall tagging; found in some stamps of the U.S.
Transportation Series.
Tagging ghost: the ghost of a stamp image picked up from freshly printed stamps by the tagging roller and placed on the
next impression.