Gibson 1960 guitar and amplifier catalog. Page 28. Details of the GA-15RV Maestro 15 RV, GA-16T Maestro Viscount accordion amplifiers
$96395
$2199
$10695
$400
$149
$245
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$2500
$1200
$245
$2795
$9000
$37799
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$995
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$125
$3700
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$295