The Mahendra Sagar Collection of Inverted Centers
October 5-6, 2011
| Images | Description | Current Bid |
 | Lot #180 BRITISH COMMONWEALTH CANADA 1959 St. Lawrence Seaway, 5c red and blue, center inverted, perfectly centered single tied to cover by Ottawa 1959 cds, sent to Vancouver, cover with small edge faults at top as expected on this purely commercial usage, v.f. Only 16 covers or cards with the Seaway Invert have been recorded, this is one of only three examples with a cds postmark, with 2002 David Brandon certificate (Unitrade 387a)  Catalog #387a Catalog Value $ 25,000 | Price Realized $10,000.00 |
