Pete,
In brand new i just found 1 option. details are,
Size = 140/70-18
Patren= Street Sports
Brand = DURO (Thailand)
Price = 85 $(7200 PKR)
Condition = Fresh rubber (brand new)
Pics attached
While in used below one is available,
Size = 140/80-18
PAtren = Enduro/Moto Cross
Brand = Michelin (Made in Thailand)
Asking price = ~40 Dollar (3500 PKR)
Condition = Slighltly used but a bit deshaped due to poor storage in junk,
pics attached