Investing in high grade Morgan(s) - Follow up ?

With the hot market in Morgans, specifically in Carson City issues, how wise/foolish would it be to get rid of my CC set for a single MS 67 CC Morgan?
Awarded latest "YOU SUCK!": June 11, 2014
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<< <i>how wise/foolish would it be to get rid of my CC set for a single MS 67 CC Morgan? >>
Foolish I say...
CC's will ALWAYS have a demand. Your proposal would be betting on one conditional rarity. From an investment standpoint, have the diversity of a set that collectively would be easier to liquidate than one conditional rarity.
What about upgrading the CC set? Not necessarily a 67 but just higher grades.
Are these prices going to keep going up and then drop, thereby I lose out?
Or is the market going to sustain its current levels and my CC set maintains its value?
I know this is a crystal ball-type question but I thought I would throw it out there for you.
Thanks everyone for the great advice so far!
myCCset
1878 - 60
1879 - 30
1880/79 - 63 rev 78
1881 - 63
1882 - 63
1883 - 63PL
1884(2) - 64
1885 - 64
1889 - 10
1890 - 58
1891 - 58
1891 - 58 (spitting eagle)
1892 - 35
1893 - 10
1900 o/cc - 62 vam 12
obviously I would LOVE to have them all in MS 60+ but I have to be realistic......damn realism!!!
myCCset
- Marcus Tullius Cicero, 106-43 BC