The following specs were provided by our repair and appraisal teams. For a more detailed description please call (517) 372-7880 

• Universal Model 3573 keyboard accordion 
• SN 55H4087U
• 1950s
• VG-EC * (see below)
• Black finish
• Metal and plastic grill with art deco design
• 120 bass buttons, 41 black and white keys (~3/4" size)
• ~3-1/2 octaves
• 6 treble shifts, 2 bass shifts
• Bassoon, Clarinet, Piccolo, Sax, Organ and Flute treble shifts
• Palm master switch
• ~19" tall, ~17" wide, ~8" depth
• 15-fold bellows
• "UNIVERSAL" logo on front (banner logo over Earth)
• Back is stamped "PRODUCT OF UNIVERSAL / MFG. CO. / MOD. 3573 / MADE IN ITALY"
• Terlinde microphone added (works, needs proper cable)
• Volume and tone controls for microphone
• Built in Italy
• With straps and OHSC (red lining)
• *VG-EC except could use work (adjust some key heights, clean electronics, tighten faceplate, etc. - plays okay, sold AS-IS)