A series of gift bags delivered to the wedding guests of Princess Eugenia and Jack Brooksbank are sold online.
About a dozen bags are for sale on the eBay website, with prices of up to 1,000 pounds.
The bags were delivered to the 1,200 members of the public elected by vote to follow the procedures of the grounds of Windsor Castle.
The bags contain items such as service orders, refrigerator magnets, ponchos, butter cookies and chocolate.
An online listing says that it offers the "opportunity to buy your own British royal history".
The wedding of Friday also attended 850 private guests, who did not receive gift bags.
Among those 850 were celebrities like model Cara Delevingne and singer Robbie Williams..
Gift bags were also given to the 2,640 members of the public invited to the grounds of Windsor Castle for the wedding of the Duke and Duchess of Sussex in May.
Some of those gift bags were also sold online, and many auctions reached more than £ 1,000.
Guests invited to the grounds of Windsor Castle for the wedding of Princess Eugenia and Jack Brooksbank received: