In a previous post I offered bonus brownie points for identifying the source of the post's title. And here's the answer (as posted by Norman Dean) - a card from the excellent Chrononauts game.
Anyway, Chrononauts was in our holiday games pile but we never got around to playing it, so Catherine and I gave it a go yesterday evening. Here's the 'normal' timeline, but both of us are playing time-travellers who come from different timelines and need to mess with history in order to create theirs and get home.
Here's my eclectic selection of artifacts. Each player has a secret goal involving the collection of three of a specific set of three of these, which is another way of winning. I was after Mona Lisas (there are three in the game).