This late Silverface era Princeton Reverb is what you would consider a player's special. Considering it's less than half the cost of its Blackface counter part, yet still retains most of the same sound/quality, you might have a hard time deciding between the two. This one has remained in all original condition, and has held up very well. Just do yourself a favor and never use the pull-boost - as you will only be disappointed. Without it engaged the circuit works perfectly normal, without straying too terribly far from the AA764 design.
***It should be noted however that service would be recommended before any gigging or heavy use is done with this amp, simply due to the ~30 year shelf life of electrolytic capacitors.*** Everything works and sounds great, so this is up to the buyer's discretion.