What are the characters on this? (Character identified: 壽) What are the characters on this? One seems clearly to be 商, but I can't figure out the one that seems to be facing the other direction.



(larger image)
This is one of the decorative variants of「壽」.

In isolation it's a bit hard to recognise, as usually it's accompanied by a multitude of other variations in a collective art piece category known as「百壽圖」.