This is the version with the very rare and much sought-after White Dot NKT275 Transistor that is no longer made, and getting more expensive. These versions go for over 200 and 300 US Dollars, before shipping, on Reverb and Ebay. I'm letting it go for 300 Sg dollars. Mint condition. So you're basically paying the same price of a Beano Boost direct from AnalogMan, except it comes with the no longer available transistor Call/SMS NINE-1472232 to deal. NO TRADES.