Tiple for sale

Martin Tiples often appears on eBay , everybody have an opinion about the positive and negative aspects of the site and I wont give advices about that but the fact is that prices are growing .

Few ebay 2011 examples:
A small cracked around the bridge 1962 T15 was sold this year US $511.00
Small cracks on the bottom of a 40's/50's? T15/ T17? sold this year US $735.00
A good condition pre war T18 start around  US $1200 and "Buy it now" around  US $1300.00
A nice 1926 T18  was sold US $2,250.00
A good condition 1927 T17 was sold this year US $975.00
A good condition 1928 T17  was sold this year US $799.00

Most well known vintage stringed instrument sellers have sometimes or often tiples  for sale:

antebelluminstruments.blogspot.com
mandoweb.com
elderly.com
vintagemandolin.com
retrofret.com
palmguitars.nl
normansrareguitars.com
acousticmusic.org
fleamarketmusic.com/marketplace