The 1423 was derived from the Harmony 'Stratotone' line of guitars, and the Harmony counterpart to the 1423 was called the 'Jupiter,' so you often see the 1423 referred to as such. Many Silvertones had counterparts from the Stratotone line (i.e. 1379, 1420/1421). So, team up your Jupiter with an amp from Neptune (City) and you're on your way outta this world!

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