Your script seems to be hand painted onto a storefront...
It is very close to Commercial Script http://myfonts.us/td-LCw4HO
which is close to Palace Script http://myfonts.us/td-uhNbKP
which makes me thing someone may have used Artscript as a base. http://myfonts.us/td-CPKiaD
I hope someone here knows if an actual font was used. It would be interesting. Sorry I can't be more helpful.
Nice!!! Good Eye there...
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