Finally, some definitive answers : r/london
BBC NEWS | UK | England | London | Oyster readers offer lower fares
National Rail Enquiries - Oyster & Travelcards
A pink tree; Hai Karate aftershave; Oysters for Christmas – Terry Pluto's Faith & You - cleveland.com
What Are the Pink Oyster Card Readers For and How They SAVE MONEY - YouTube
Wimbledon – Oyster Fares Central
3 Ways to Use an Oyster Card - wikiHow Life
Steve's Bus & Train Page: £1.50 - That'll Do Nicely!
Things to Know before Traveling to London: Oyster Card or Contactless
Video: How this pink Oyster card reader can save you money - Be Clever With Your Cash
National Rail Enquiries - Oyster & Travelcards
How this pink Oyster card reader can save you money - YouTube
Journey History and Queries – Oyster Fares Central
Pay as you go - Transport for London
Touching in and out - Transport for London
Visitor Oyster Cards : Tips for Getting Around London - Pink Peppermint Design
London Underground passengers can still save money despite TfL fares rocketing by up to 13 per cent - MyLondon
People are only just finding out purpose of pink Oyster card readers in London - Daily Star
london - Pink Oyster reader did not reduce the fare correctly? - Travel Stack Exchange
Oyster readers at Clapham Junction | RailUK Forums
How practical is cashless travel? | The Star
Touch a pink card reader when changing trains - Transport for London
Starting/ending on a Pink Validator – Oyster Fares Central
Card clash - Transport for London
Video: How this pink Oyster card reader can save you money - Be Clever With Your Cash
