The Aluminum Falcon said:
Sorry but isn't the JSC and the SWE from the same master, at least for ESB and ROTJ...
Nope. Check out these screen captures, the JSC has a little less cropping on three sides (the right side looks about the same): http://originaltrilogy.com/forum/topic.cfm/Pre-93-Special-LD-transfers/post/483716/#TopicPost483716