TOA-67 in perfect condition
I used this on my TEC180 for a while when I needed a longer BF than the TEC FF would yield. These were taken with the flattener from Sydney (North Curl Curl):
https://www.astrobin.com/240667/
https://www.astrobin.com/245303/C/
https://www.astrobin.com/232099/B/
https://www.astrobin.com/203201/
AU$600 + actual cost to post
(I can provide adapter for use on a FeatherTouch Focuser if desired)