Ca. 1978 Fender Twin Reverb. Made in USA, serial number illegible due to an added FX loop. An XLR output was also added, the amp appears to be original otherwise, apart from the tubes. It features the sought after factory installed JBL orange casket speakers. The amp sounds fantastic, however one of the reverb springs is missing and the reverb tank should be replaced. The foot switch is also missing. Great price, sold as-is.