I think that threads without a first post are the best ones, kamalktk: they are totally free-form and can go anywhere. Maybe we should have more like this one?
Anyway, to indulge in my own coin-related old fogey-dom: when I was just a little tacker we still had farthings around. In fact you could buy something for a farthing. If my parents got sick of having me around the house they would give me a farthing and tell me to go to the corner shop. I would toddle off and present my farthing, and the shopkeeper would give me a couple of lollies (taken from the loose ones in a giant glass jar), wrap them up in a bit of brown paper, and give them to me. I'd wander home sucking them.
A farthing was a quarter of an old penny, so 960 of them made a decimal pound. Close to a tenth of a current pence. Farthings were pretty coins, too, with a nice little picture of a wren on them.
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Ah, those were the days!