From what I can make out, Proud City Fathers began life on the council estates of West London and Henry Compton school. Forming in 1983 and
originally called Suicide, they've had several names down the years; Systematic Death, The Filth, National Cunts and eventually Proud City Fathers. The line up features Mason (vocals), Gripper (guitar), Gello (bass) and Gaz (drums). You can find more info here : https://www.facebook.com/ProudCityFathers/
Recently they released a new album titled Outposts, it's available on cd (ltd to 200 copies, over half of which have already gone) and digitally here :
I came across the band last week when I noticed Grow Your Own Records describing their recent live gig as "blistering" and I notice Bandcamp tagging them anarcho which would tie in with Grow Your Own's roster of bands (https://anthraxuk.bandcamp.com/). To my ears though they also incorporate elements of oi & street punk into their big and bold sound. It's a good album and you should check it out.
This song tells us that come the revolution the red and black flag will be flying high (yep, definitely anarcho!), it's called Sten Guns...