Gibson 1975 Custom Order & Electric Acoustics catalogue. Page 6. Left hand side of a two page spread on Gibson archtop acoustics; beautiful guitars with carved spruce tops. Details of two instruments: the Gibson L-5C and Super 400C. These are acoustic equivalents to the L-5CES and Super-400CES as seen on page 10 and 12. The roots of these guitars are much older of course, with the L-5 first produced in 1923, and the Super 400 in 1934.
1975 prices for these guitars were as follows (US zone 1): L-5C $1080, rising to $1099 by the end of the year (1/11/1975). Super-400C $1235.
$19999
$14999
$17499
$12899
$11500
$19000