Magic,
Even though you very much want the canoe you bought to be a Seliga, and even in light of Joe looking at a few pics and thinking it is his, I believe your canoe is indeed a Muller Boatyard Canoe, as it was advertised to be and not a Seliga.
The S/N in your canoe is 24248, a list of all the 16 ft double end canoes Joe built is shown below. As you can see, the number in your canoe doesn't fit with any of the 16 ft Seliga S/N's. Joe's "code" for these canoes is; 1st 2 digits for year built, "4" for double end canoe and the last 3 digits is the canoe number.
For additional info, I'll post another thread showing features of the Muller Canoes.
Dan
16 ft double end canoes
48 4 102
48 4 103
48 4 104
48 4 105
48 4 106
48 4 107
48 4 108
48 4 109
49 4 110
49 4 111
49 4 112
49 4 113
49 4 114
49 4 115
49 4 116
49 4 117
49 4 118
49 4 119
49 4 120
50 4 128
50 4 129
50 4 130
52 4 150
52 4 151
52 4 152
52 4 153