These prices are absolutely mad and completely unrealistic in the UK. About 18 months ago I was trying to sell 3 quality airheads ( 2 x r90s and a 80g/s pd ). All were priced realistically and in great condition. The g/s sold relatively quickly , but the 2 lovely 90s bikes took several months. In my opinion as soon as classic bikes are priced at or above 10k then they can be difficult to sell. It is worth noting that there has been a 100gs pd for sale for sometime.