The single most London-coded edible gift: royal-warrant tea in a keepsake tin for under £20, half its exported price.
Price: 17.95 GBP (fortnumandmason.com official price, 250g tin)
Where to buy: Fortnum & Mason, 181 Piccadilly (the eau de nil mothership) — ground-floor tea counter; smaller branch at St Pancras for last-minute buys.
Price checked 2026-07-03