The sale appears to have only occured at 21:32 on the 22 May, and it's only the 24th today, so it hasn't even been 2 whole days yet.

In case you don't hear back from them and you don't know to do this (or for the benefit of others reading who may not know)

4 days after committment to buy (so in this case at 21:32:10 on May 26 (Monday)) go to the resolution centre and open up an Unpaid Item Dispute. The buyer will then have 4 days to respond and/or pay. After that four days if unable to reach a mutually satisfactory arrangement or the buyer hasn't paid, you can close the case.

This will then ensure that you receive your FVFs back for this item, but equally important is that you are now able to relist the item if you choose to.