Here is a rare one that has just come in, Aeola Duet 81 key, S/No. 30398, made 1924. The instrument was at some time worked on by Dipper, stamp on the inside; apart from some wear evident on the plating it is in very good condition, 7 fold bellows are airtight. A$4,600 ..... on todays rates US$3060.00, GB Pound 2,411.00, (I can't find the pound symbol !). Mention C.NET so a donation can be made. https:concertinashop.com.au