I bought mine second hand here on pfm, I think they are a few years old, but I’m not sure how many. They are late enough to have the longer silver binding posts.
I’m curious about the ‘Gold Label’ crossovers, but I’m also skeptical too. To my mind the whole point of an LS3/5A, other than it being a lovely little speaker, is it is a proper calibrated reference monitor. Any 15 Ohm LS3/5A should in theory at least be identical to any other. You should be able to have a Falcon on one side, and a (mint fully to spec) ‘70s-80s Rogers, Spendor, Audiomaster, RAM or Goodmans on the other and not hear a difference. This is how the BBC used them. If one died or got dropped you got another from the store. Not another pair. The brandname on the front didn’t matter as they were all calibrated to a very rigid spec. As such by altering/uprating the crossover to make a subjectively ‘better’ speaker one could argue the Falcon ‘Gold Label’ is no longer an LS3/5A! That said we now live in a world rammed full of ‘almost LS3/5As’, so really they are just pushing a lead on Stirling, Harbeth, Graham etc who all make very nice contenders that are not actually a BBC LS3/5A. I’d love to hear the ‘Gold Label’ crossovers, but I’m not sure I want to swap mine out from, in theory at least, just being a bog standard pair of BBC studio spec LS3/5As. The gold crossovers are also very expensive! They sound great as-is. They are surprisingly good little speakers.