Earlier quoted context omitted.
That's true, the one place I see them most often is being smuggled out of China. Actually I have gotten them from cash machines in Covent Garden before as well. Since then I've wondered what criteria they use to pick denominations for each area.
It's probably difficult to find something to buy for £5 around Covent Garden, and no problem to spend £50. I'd much prefer some £50 notes than an empty cash machine. There's also a high cash demand from tourists, and a high nighttime demand (when machines won't be refilled). > smuggled out of China That's unfair: completely honest tourists often have £50 notes, regardless of where they come from. The currency exchang…
Anyway, the relevance to our conversation: since value density is highest with £50 notes, that's what they tend to bring.