The misskey timeline, two follower-level 'meta' subject posts from me. above which is the advert featuring the image, a wide rectangle containing some text set in yellow Rail Alphabet - a heavy helvetica-type typeface - on dark grey, containing a keysmash - alphabetical characters in both cases, and symbols - scissors overlaid over a comb (barber), and two double-arrows, the symbol of British Rail.
https://misskey.bubbletea.dev/files/webpublic-9c1bf9ee-b262-48b6-8e41-e3a0123943e9