There are actually closer to 1.65 million coins I think.
and I don't think CANN and POT are good comparisons due to the difference in what each coin offers. (What the coin can be used for)
Easiest valuation would be the ICO price which was around 565 satoshis, or what miners value it at (but mining is over).
Shouldn't really be too worried about the market-cap at this time.
Then that should value them around 0.0005143 BTC each. My assumption is based on the idea that GROW can do more than POT but less than CANN. I understand your thought on initial value, but IMHO, forward looking is important as well. This may be the first time I'm upset I missed an ICO!
)... this time I'll not FAIL, because I am planning to drink at least 4 glasses of red wine. Tomorrow I'll be in my best shape. 
