This is a lovely compact size professional quality Bell accordion, built by Borsini. In essence, this is the Borsini Vienna 723 model with a BELL name. The instrument is from the Classic Series, featured at the Borsini web site: http://www.borsiniaccordions.it/classic.php

You can hear this identical model on YouTube:

Vincenzo Abbracciante -  http://www.youtube.com/watch?v=2K0EP72eHgE

Dallas Vietty - http://www.youtube.com/watch?v=PlSMmSKrQTI

• Professional quality hand-finished reeds
• 3 treble sets of reeds - LMM
• Musette Tuned
• 34 full width keys, pearl finished key tops,
• 5 treble switches - Bassoon (L), Bandonion (LM), Master (LMM), Violin (MM), and Clarinet (M) 
• 72 bass - 3 bass switches
• 4 sets of bass reeds
• 18-fold bellows - I am impressed how the bellows volume matches the reed configuration and reeds type, so that one can play with the same bellows phrasing as on a full size 4/5 reed instrument. 
• Bellows protector
• Excellent compression - showroom instrument
• Original high quality shoulder and bass straps
• 17 lb
  
• Very good soft bag with internal padding
• Gorgeous looking happy sounding accordion