I bought this 1970 ES-335TD lefty in the early 80's. Never did master playing, so it has been sitting in its case most of the intervening years. It has a righty neck, which appears to be original.I called Gibson in the late 80's to ask them about it. Their reply was "If we were building a lefty and didn't have a neck in stock, we threw a righty neck on it". Is this true? Were lefty's special order in 1970, or did they just build a certain number? It has Grover tuners, the knobs were a mystery for a long time. I finally figured they are from Radio Shack! I have attached pictures, any info or criticism is welcomed.