Search:

Absolutely the final finisher. When I said try it after the 8k or after the 16k I meant as the final. I wouldn't go to the 16k, or any synthetic after the Escher.

Can't accurately be sure from a photo but it looks very like my light green. I would bet it is an Escher. As mainaman said it fits into your progression after the 8k or maybe even the 16k. Experiment...