In doing research on this brand I found the definitive website for Danelectro/Silvertone info at The site is run by Doug Tulloch and he even sells a Danelectro Guitar Guide for you hardcore fans.
You can find serial numbers on vintage Danelectro/Silvertone instruments all over the instrument, including back of headstock, neck heel, neck pocket, control cavity and other places. Danelectro/Silvertone (Back to top of page)