If you are tackling Canada mint, for our money pride of place goes to 1899 “Port Hood” bisect overprint provisionals. By our estimation not more than 5 mint sets exist, of which we have handled 3. The rest of the basic numbers of Canada are easy enough to do with a big budget.
© 1975, 2020. ColonialStamps.com. All rights reserved. All brand names, logos, and images are the property of their respective owners and may not be used without express written consent.