Some remarkable prices have recently been achieved for London Underground shelter tickets; see this example for Piccadilly Circus. There is clearly an avid collectors market for this type of paper ephemera. The below ticket for Camden Town features the "New Tube Shelters" name and was sold on eBay for £210.
A previous blog detailed the background of a similar shelter in Clapham.
See also the unique badge issued to wardens working in the New Tube Shelters.
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