Is this a re-veg or a clone?

Looks like the old growth from previous grow, on a re-vegged plant. New growth comes in, the old, sticky growth dies-off.

The single-bladed leaf is a sign of old stress, (it's not a small leaf, so has grown since the stress) likely from the re-veg process. I've seen some clones look like that too, especially if taken near flowering time.