I believe your coin is FS-103 and not FS-108 because IGWT has a wider spread on FS-108 than your coin shows. If you take a look at IN and TRUST you can see that difference the strongest. Again, amazing find!
FS-103:
http://varietyvista.com/01b%20LC%20...2PDDO003.htm
FS-108
http://varietyvista.com/01b%20LC%20...2PDDO008.htm
-CH27
FS-103:
http://varietyvista.com/01b%20LC%20...2PDDO003.htm
FS-108
http://varietyvista.com/01b%20LC%20...2PDDO008.htm
-CH27
Collector of U.S. varieties and errors