Crossrail: TfL releases new limited-edition Elizabeth line purple Oyster cards - here's how to get one - MyLondon
File:Oyster Visitor Card.jpg - Wikimedia Commons
Don't use your Oyster card if you want to avoid the £20 auto top-up, says TfL chief | Evening Standard
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Which Oyster Card? The Best Oyster Card for Visitors | Love and London | London england travel, Oyster card london, Oyster card
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New Oyster card released to mark 20th anniversary | The Independent
TfL releases a limited edition 20th anniversary Oyster card
London Tube Tickets: Contactless, Oyster Card, or Travelcard? - Montage Travel
TfL launches limited edition Oyster card to celebrate 20 years of the iconic smartcard | RailBusinessDaily
London's Oyster card: Are its days numbered?
Oyster card in London: All you need to know - Wise
Oyster card app simplifies top-ups in London
Limited edition Oyster card celebrates 20 years of Transport for London's famous smart-card
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