This is A 36 key, with a C drone, C/G Wheatsone Linota concertina. It was made in 1918, serial number 27845. This instrument is in good condition. It has been serviced regularly by Tim Collins and Noel Hill since I've had it. It is very easy to play and sounds great If you have any questions feel free to contact me at gannonsmusicshop@gmail.com. Click on the video below to view and hear this instrument. Picture of the serial number attached. http://www.ebay.ie/itm/Vintage-Wheatstone-Linota-Concertina-for-sale-made-in-1918-/171212259642?pt=LH_DefaultDomain_0&hash=item27dd0bc13a
http://www.youtube.com/watch?v=ruv0OR4OAOs