CCCXLIII is the clue. Could it be CCCP = USSR with one P ter the Less (cousin of Peter the Great) and few extra country-STANs added ? Makes sense. Especially in the context of the FIFA decision awarding the world cup to Russia.
It's actually quite simple.
The link is Roman Abramovich. OK - you're right - it DOES have a football link after all.
But it's his first name that's significant here . Roman. Roman numerals.
CCCXLIII = 342 .
In perfect time for your Christmas Shopping, 342 is the FANTASTIC special offer on children's books at the moment in the Mustard Seed. 342 . Get three, only pay for two .
Here's a picture of that bottom shelf in the Mustard Seed - by your footie - perfect browsing height for smaller dribblers . And here's a little more about our Russian Granny: