Gibson 1975 Custom Order & Electric Acoustics catalogue. Page 10. Details of two electric acoustic guitars: one well-established model, the Gibson Super 400CES and one relatively new guitar, the Howard Roberts Custom, launched in 1973. The Super 400 CES was also available as a purely acoustic guitar, the Super 400, seen on page 6 of this catalogue. The Howard Roberts Custom was solely available as an electric acoustic.
1975 US zone 1 prices were as follows: Super 400 CES: $1499, Howard Roberts Custom $899
$495
$12995
$13900
$49999
$19950
$22995
$15000
$4400
$2000
$6800
$9995
$549
$1999
C $25000
€3400
£3500
€4500
£2595
€4444