Watch List notes:

Set of 3 different greeting cards containg line drawings of the Locks of the St Lawrence River by Donald D. Paterson designer of the 1975 & 1980 silver dollars. All 3 are unused and were intended to promote the book "Seafaring in the St-Lawrence", never published ofcourse due to the artist's passing. Only 5 sets are know to exist in collectors hands.
(50-AND UP CAD)