OK Folks - is there any real use for a 39 key Lachenal McCann Duet?  I've just been "Gifted" a metal ended one and it's in pretty bad shape.  Most of the buttons are there but there's mould everywhere, the wood is falling apart, a lot of the reeds are rusty and I seriously question whether it's worth the effort of trying to put it back together.   Normally, I'd bend over backwards to get it playable again but even if I cost my time at nothing, I wonder if it's any practical use?  Is a