Gibson 1958 electric guitars and amplifiers catalog, page 19. This page contains the only mandolins in the 1958 catalog, both electric models. Details of the Florentine and EM-150
1958 zone 1 US price: EM-150 $185; Florentine $205
$295
$299
$300
$850
$1544
$1625
$1700
$2500
$2800
$2800
$2995
$3000
$3000
$3295
$3295
$3395
$6100
$16995
€250
£1919