(Reference). While Gibson produced literally thousands of banjos prior to WWII, only a handful were made in the now most desirable configuration: the Original Flathead Five-String Mastertone. Since Earl Scruggs helped to make them the most sought-after banjos in the world over 60 years ago, these instruments have amassed a cult-like following. These particular banjos featured a completely innovative design when the Gibson Company introduced them around 1930. They have since become the benchmark in design, sound quality, and just sheer power among banjo players. They have therefore also become...