They all refer to space shuttle Endeavour....and all say F.T.L.'s Endeavour Mission.
NEW INFORMATION.....A message from a collector suggests they might be Payload patches related to the Endeavour Space Telescope. He was quite right....if you go to Google and type in GAS payload Endeavour Australia....you'll find the article and photos on this payload on STS-67 in 1995. Canisters were G-387 & G-388. Payload was sponsored by Australian Space Office and the company Auspace Ltd.
This does not mean these particular patches are for those two organizations,as the patches say F.T.L.,and we still don't know who they are.
However,they probably still refer to the Australian Endeavour Telescope which flew on the NASA Space Shuttle Endeavour.
NEW INFORMATION...Another collector advises me that there was a company called FTL Shuttle Promotions,a subsidiary of an investment group.....which constructed a 1:1 scale replica of the space shuttle on the Gold Coast,Queensland,Australia,about 1990.
This was on display for about six months at Gold Coast city, before being shipped to USA. The replica had a 60 seat cinema in the cargo bay,and was overall very impressive.
Unfortunately the company went bust for various economic reasons,and the shuttle was sold in USA.
