Copper indicates strength, beauty and wealth… while also being a great conductor of heat. It shows the passion’s still there for the loving couple.Pottery as a theme is all about your time together: it started unformed, has been moulded and smoothed, had its fiery moments… and is now solid, practical and appealing.A willow tree is not just beautiful – it denotes flexibility and so can bend and survive whatever the elements throw at it. It’s here for the long term. 

Unless you’re a cow (or a vegan), what’s not to like about leather? It’s tough, gets better with age, and is achingly cool. Brando's jacket in The Wild One. Connolly leather hides in a classic Bentley. You can’t go wrong. And just maybe this durable material that protects from the elements is emblematic of how you protect each other from external challenges to your relationship.

Lapis lazuli is a deep-blue metamorphic rock used as a semi-precious stone. It’s been prized since antiquity for its intense colour and was part of the funeral mask of Tutankhamun. More positively, party girl Cleopatra used powdered lapis as eyeshadow (she kicks asp!).