Suntour SL-XM20 wishbone thumb shifters, condition is very good, almost as new.
Not seen many of these around. They mount underneath the bars. Left is friction and right is 7 speed indexed, but has an overshift so should work as 8 speed also.
£15 posted in the UK.
This one is for sale again, this time starting at 99p no reserve and located in SE London
https://www.ebay.co.uk/itm/185927051930
I bought it with the intention of cleaning it up for my daughter but she wasn't really interested in it so time to move it on
Wheels are 26" and tyres still hold...