Thank you so much for your input. I am beginning to understand much more of what I am reading about this instrument. Sometimes I wish my son had simply stayed with flute instead of wishing to branch out and expand his repertoire. I was just reading on irishconcertina.com that I should not really be considering buying "old" concertinas as old does not equate to good - just as I was beginning to think I was going to plump for a J Crabb 30 key c/g numbered 1887 that I saw on donedeal.ie and concertinas for sale - it was made circa 1870. On there there is also a 2015 Connor which has been repaired by AC Norman and a deluxe Anglo Marcus. All come in my price range - just but should I opt for a maker/repairer who is alive but it's a hybrid or the Crabb. I am sure my son will continue to keep the flute as his main instrument but you never know. I blame the music teacher - my son had wanted to learn the button accordion but as my daughter was already learning that teacher thought better to do another instrument and suggested the pesky concertina - at least it's portable.