Sho-Bro 1950s-1978 The ShoBro, a resonated guitar eventually available in both Spanish and Hawaiian models, was first manufactured by Shot Jackson beginning in the 1950s, and by Baldwin-Gretsch in 1969. Gretsch dropped the line in 1973. Shot continued to make them after 1973. [Source: The Sho-Bro by Rick Nelson ]

Dating info for the Gretsh produced Sho-Bros is included in the above article.