£10 Large decorative bowl
£40 a vast quantity of condoms.
keep condoms in bowl on living room table.
Never explain to anyone why there are there.
An antique bayonet. Most of them are pretty, all are amazing pieces of history. You can kill burglars with them, hang them on walls, research their provenance - and it'll be worth more with very year you keep it.
I recommend the huge, curvy 1866 Mle Chassepot. Boringly serious answer, I know.![]()