This is a Canada Scott / Unitrade #UX18 post card having 1897-1898 one cent rose carmine Queen Victoria, Maple Leaf issue, insignias on an uncut sheet of eight cards that has been physically ripped vertically down the middle.
Has anyone seen these in a sheet before, ripped or not?
Measurements:
Sheet 280mm long by 344mm tall.
So each card (if cut apart) then measures 140mm long x 86mm tall.
Stamp insignia is 18.7mm x 23mm tall.
Inscription 'The Space Below . . .' is 83mm long.

Four scans patch-worked together:

Four separate scans:




