Looks like the last digit wasn't struck quite as deep. Is it a 6 or an 8 maybe?
Brother elwoodblue has Series guitar #78-1100, so the sequence seems about right for a 1978 model... #111 would place it in late-1974 I think. Cool guitar!
~Gregory (who loves the old ones, and spends entirely too much time in the Showcase threads memorizing serial numbers and other minutiae.

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