Every morning for my breakfast I have tea, toast and home-made marmalade. It’s one of my favourite things, and I love the bittersweet smell of Seville oranges, which only appear in the shops for a couple of weeks around this time of the year.

In fact as I sit here writing this post in late January, Roy is busy cooking marmalade next door, and the powerful odour of bitter orange (known as bigarade in French) is suffusing the house from kitchen to attic…

Like several other major perfume and fashion brands, Hermès has, in  recent years, organised its range of perfumes into a number of different groups. I’m guessing that this is partly to help them refine their message for different segments of the market, but I also wonder whether it has something to do with their in-house perfumer, Jean-Claude Ellena, trying to bring order to a rather disparate collection of scents, in the way that a newly appointed curator might attempt to impose order on a rather muddled art collection…

What a great perfume this is. Rich and complex yet totally wearable, Derby smells of old-fashioned luxury and style. It’s the kind of perfume that should have been name-checked in The Great Gatsby (surely the worst-written major novel of the 20th century), and yet it was first launched as recently as 1985, when electropop ruled the airwaves and shoulder-pads the size of aircraft carriers filled the pages of the fashion magazines…