I sold my M8 and have the following filters for sale:
39mm UV/IR 486 Silver $40.00
39mm UV/IR 486 Black $40.00
52mm UV/IR 486 Black $60.00
72mm L37c Nikon UV filter $35.00
72mm Kenko Super HMC UV $45.00
62mm Kenko Pro1 UV $35.00
Prices include shipping and PayPal fees. I do not have the original boxes for some, but I will provide proper boxes.