The Large Queen Dominion of Canada series of stamps was issued from 1868-1876. There were 9,400,000 6 Cent stamps ordered. It came in three shades: Dark Brown, Yellow Brown, and Black Brown. In very fine mint shape, it goes for as much as $2,500 ($2,000 US).
6 Cents Queen Victoria
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There were 1,940,000 12 1/2 Cent Queen Victoria stamps ordered. It came in three shades: Blue, Deep Blue and Milky Blue. Some catalogues value it as high as $1,400 ($1,100 US).
12 1/2 Cent Queen Victoria
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The 15 Cent Queen Victoria came in a whopping 10 shades: Grey Violet, Greyish Purple, Red Lilac, Brown Purple, Grey, Greenish Grey, Blue Grey, Deep Blue, Deep Violet, and Slate Grey! It’s uncertain how many were ordered. It is valued anywhere between $125 ($100 US) and $30,000 ($25,000 US) depending on special flaws or unusual characteristics!
15 Cent Queen Victoria
Source: The Unitrade specialized catalogue of Canadian Stamps
@papa-pepper for creating these logos for 
@daveks!