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The telephone number for Buckingham Palace as shown in the 1916 telephone directory at British Telecom archives, central London Stock Photo - Alamy
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BT (BRITISH TELECOM) 61130 PHONE BT BIG BUTTON 200 - SINGLE [1] Pro-Series (Epitome Verified) : Amazon.co.uk: Electronics & Photo
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CHEPSTOW - SEP 2019: Old British Telecom Telephone Editorial Photo - Image of retro, europe: 167596161
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