Wanted Hercules Herailleur Synchro Switch Shifter

[oldy57]

I am looking for this shifter from a Hercules British bike. Herailleur Syncro Switch shifter. Also could use a cable from same shifter.

 

[gitanesteel]

I am looking for this shifter from a Hercules British bike. Herailleur Syncro Switch shifter. Also could use a cable from same shifter. View attachment 1649851

Did you ever find one of these? I have two but unknown if they are in working condition. One says MK IV on the back.