1959 Gibson GA-20 CREST, Tweed Tube amp combo, Jenson P12R Speaker, Powerful sounding! Cool model, Excellent condition, $1,895 A word about purchasing any of these rare Vintage amps, “these amps need to be regularly cared for”.   These are very old and may need to be or may have been serviced in the past. We recommend that any of these amps upon purchase be serviced and then regularly looked over by a skilled amp tech. Used amps are sold here on a strictly as is basis. Thanks!