Conversely, it is of course no guarantee whether the guitar is authentic, as a serial number is.
Regal RD-30T Studio Series Roundneck Resophonic Guitar Sunburst Mahogany. Generally speaking, a lower serial number (for example, '0001') indicates an older guitar that will be worth more than one with a higher serial number (for example, '0987'). The guitar's serial number also may give you a clue to its value.
Here's a brief rundown of how to do it, plus resources for more information. Well, good news it's very easy to figure out the age of Fender and Gibson instruments from the last 30 years. Ever wonder exactly when your favorite guitar was made? You sort of remember when you got it, but you want to really know its history, especially if you're not the first owner.