It's from 2017 but says "The problem has got so bad that nearly 100 supporters were turned away at the turnstiles for the most recent match". Nearly 100 fans were turned away at 1 match alone!
https://www.theargus.co.uk/news/15567430.albion-bosses-ban-250-fans-for-ticket-touting/
Did your "friend' list them publicly on a reseller site? Or just face to face? Only way they'll know certain seats got resold is if the information was easily available on the internet (such as a photo of the tickets on offer!). If the club know tickets were sold on they'll be cancelled and...