gibson es 335 sunburst

Anyone know what is a 1971 Gibson ES 335 Sunburst should you sell?
Why only $ 2,000 when the new range of $ 3,000?
can often be unpredictable what was going to sell something. cars, jeeps, chewing gum, and guitars. if properly maintained, should be a relatively honest. but Who controls the market?
Gibson ES-335 Fat Neck