Maybe it's an older letter that was made by Spanjer Bros.
I ran across that same letter style on a school name change
job a while back. We just ordered all new letters from
another mfg. since Spanjer Bros. in no longer in business and
that particular letter style couldn't be found.
I live approximately 1 mile from an MDF manufacturing facility
here in south Arkansas. They will be the first to tell you that
their product is NOT intended for outdoor use. Great for indoor
use requiring a glass smooth surface, but not for outdoors.
I use Signlab e6 and for the most part am well pleased.
I recently downloaded rev 13 and there is alot of improvement
over rev 7 that I was running. They still haven't resolved the
spooler issue that will only let you send one job at a time
to the spooler program. In the earlier versions...