Lot 295 Canada #1173i 57c Killer Whale, 1988-1992 Mammal and Architecture Issue, VFNH UL Inscription Block on Harrison Paper

A VFNH upper left inscription block of the 57c Killer Whale on DF bluish white/LF bluish white Harrison Paper with clear vertical mesh, when viewed with backlighting.
Unitrade lists these at $25. The block offered here grades 80.

The Mammal and Architecture definitive issue is the subject of this week's blog post. You are encouraged to go here to find more information about the paper, shade, gum and fluorescence varieties that are described here, that are not in Unitrade. There you will find all of the information that you need in one place. That post will be published by the end of the day on Friday, December 16, 2022.