Gibson Sonex-180 Standard
1980 Gibson guitar, bass and banjo catalogue, page 62
Guitars and Parts for Sale
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The 1980 Gibson catalogue was the only one to include the short-lived Sonex-180 Standard, which was deleted by early 1981.
The July 1980 US list price for the Sonex-180 Standard was $375 - this was the only inclusion in any US price list.