Canada 226 Engraver's Slip?

Initially I thought this was a hair in the sleeve, but on closer examination, it is same ink as the design. Has anyone seen this? Looks like an engraver's slip in the left 0

New to me.
Possibly something on the plate based on the other small ink marks.

Gilles le timbre...Your stamp looks heavily inked..When I was a printer for 4 years if I had the rollers too heavy with ink, as the drum with the plate printed the colour and as it moved on , sometimes you get what we used to call a "tail"..Just my opinion.

BTW...as you check other stamps...look for these "tails" right next to solid ink spots..See how the arrows show where the ink "tails" are coming from..solid spots.

Thanks Wert. I noticed this series, and especially the 13c and 20 c show some tails around lettering from time to time.

Here is another example on my Scott #137, and could probably find more tails.

That "tail on the 2" looks a lot like black on my monitor; at least like a totally different color?

Peter

Yes..it could be a different colour..When you change plates and there is a different colour run that you have completed and you don't completely wash the WHOLE drum it can and does some time fling colours from a previous run onto new stamps.

Gilles: great image of Canada Scott#226. The "hidden" or "secret" date (1935) shows up well.

What secret date? Now you have me curious...lol Could you explain please what it is and where to look- pretty please?

I believe secret or hidden dates in Canadian stamps started with the 1935 issue. Some are harder to find than others. This one is at the lower left corner of the vignette just above "50".