Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 1

Canada - Modern Errors and Varieties

The auction will start in __ days and __ hours

Start price: $300

Buyer's premium:

2005, Canadian Bridges, 50c x4 multicolored, self- adhesive bottom right corner margin imperforate se- tenant block of four, backing paper intact, VF and scarce, C.v. $1,500, Unitrade C.v. CAD$2,000, Scott #213b