Gibson 1960 guitar and amplifier catalog. Page 28. Details of the GA-15RV Maestro 15 RV, GA-16T Maestro Viscount accordion amplifiers
$1999
$2400
$3787
$350
$4999
$9295
$11995
$5967
$2495
$2795
$800
$2100
$3199
$1399
$99
$300
$4000
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$400