This 1920's Sterling Professional Button Accordion, in the key of C, is a classic instrument featuring a 10-button diatonic layout with 4 stops. It has an external microphone installed. The accordion's design includes a painted black body with red accents, and the bellows are black when closed, turning white upon opening. It comes with a padded cooler/case equipped with a telescoping handle and wheels, making it convenient for transport. This accordion is a nice performer's instrument and represents the original Cajun accordion style. Built in Germany and imported to America