Canada #490,I,491 6c Black, Bright Blue and Carmine & Yellow Olive and Dark Brown Curlers On Rink & Vincent Massey, 1969 Curlers & Vincent Massey Issues, 9 VFNH Singles With Different Types Of DF, DF-fl, HF & HB Papers

9 VFNH singles of the 6c black, bright blue and carmine & yellow olive and dark brown Curlers On Rink & Vincent Massey from the 1969 Curlers & Vincent Massey Issues with different types of DF, DF-fl, HF & HB papers. For #490, the stamps includes:
• DF grayish white
• DF bluish gray
• DF-fl grayish white, very sparse MF & HF fibers
• DF yellowish gray
• DF light violet gray
For #491, the stamps include:
• HB dark brown & dull brown shades
• As above, but HF papers

Unitrade values these at $13.45. The stamps offered here grade between 75 and 80 as follows:

Centering/Margins: 45/70, 50/70

Paper Freshness: 5/5

Colour: 5/5

Impression: 5/5

Absence of Visible Paper Flaws: 5/5

Perforations: 10/10

The curling issue is the fourth of the experimental perf 10 issues printed by BABN. The paper is generally always DF or is very moderatey flecked with a few HF or HB fibres. Greyish and greyish white are the default colours under UV, with bright cream, ivory and deep NF violet grey being the uncommon types. The so-called fluorescent paper on the Curling issue is really not much brighter than other flecked examples of any of the other perf. 10 BABN issues like this issue, George Brown, or the Lacrosse stamp. My experience is that any fluorecent paper on these issues os much, much scarcer than the dull papers, easily by a margin of 20 to 1. So, I would disagree with Unitrade's classification of the dull paper being the better stamp on the 1969 Curling issue. I have done my best to capture these differences by taking pictures with my camera under UV light, but the differences can be harder to see than in real life. That should be borne in mind if you are looking at the scans and cannot tell the difference between them.