Welcome to TIG VadersWS6
There are two different Rebo organ spray ops across the Can/USA & Trilogo issues - gold and bronze. Not sure about Ledy - especially if you say the figs are def not Ledy and weren't mixed/matched? Stu (Burnsy) has a Ledy Rebo band, Dan as well I think, maybe they can confirm later. If you can post some pics in meantime.
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Paul F,
thevintagetoyadvertiser.org 1970s and 80s vintage toy ads and other retro paperworks
imperialgunnery.com Vintage Star Wars action figure weapons and accessories guide