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…

If there’s one scent that appeals to pretty much everyone then surely it’s eau-de-cologne, the zesty, refreshing blend of lemon and herbs whose (probably medicinal) origins are lost in the mists of time. Its oldest surviving surviving incarnation is the German No. 4711 Echt Kölnisch Wasser from – where else – Cologne, which you can buy for not very much from pretty much anywhere, but there are hundreds of other versions, from the cheap and nasty all the way up to Chanel’s divine (and divinely expensive) Eau de Cologne…

The smell of leather is one of the staples of men’s fragrances. It has an interesting history, too, since at least one of the roots of modern perfumery can be followed back to the perfumed-leather gloves that became fashionable from the sixteenth century on.

Some ‘leather’ fragrances are more successful than others, Chanel’s powerful and historic Cuir de Russie being one of the best. But until the launch of Colonia Leather in May 2014 I’d never come across a perfume that really…