BT Phonecard: Printing Errors and Misprints

Millions of BT Phonecards were produced between 1981 and 2002 - pictured here are some of the errors that occurred at the factory in the printing process. Depicting printing errors and misprints that appeared on both the front and reverse of BT Phonecards including control number errors.
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BT Chip Phonecard PRO067 without notch as per World Phonecard UK 2 catalogue, but also WITH NOTCH. Have you seen an example before?

BT Chip Phonecard without notch as per World Phonecard UK 2 catalogue, but also WITH NOTCH. Have you seen an example before?

Printing error: The Phonecards green surface print has leaked into the silver lettering at the far right of the cards text, e.g. D of PHONECARD.

Printing error: The Phonecards green surface print has leaked into the silver lettering at the far right of the cards text, e. D of PHONECARD.

(Slightly) shifted design - Phonecards green header shifted to left, cards design shifted to right. On a perfect card the header and design would align perfectly.

(Slightly) shifted design - Phonecards green header shifted to left, cards design shifted to right. On a perfect card the header and design would align perfectly.

Misprinted/test printed Winter 1989 - Heron BT Phonecard (BTC011)

Misprinted/test printed Winter 1989 - Heron BT Phonecard (BTC011)

Printing

Different green strip variations on a BT Phonecard.  Card a (top) - strip completely smooth to touch. Card b (centre) - visible ridges. Carb c (bottom) - strip shifted to reveal silver strip.

Different green strip variations on a BT Phonecard. Card a (top) - strip completely smooth to touch. Card b (centre) - visible ridges. Carb c (bottom) - strip shifted to reveal silver strip.

Spot the printing errors on the Christmas 1990 set of three BT Phonecards.  The cards on the left are correct, while the cards on right all have a printing error. The most famous appearing on the 20unit card - named the 'extra footprint'.

Spot the printing errors on the Christmas 1990 set of three BT Phonecards. The cards on the left are correct, while the cards on right all have a printing error. The most famous appearing on the card - named the 'extra footprint'.

Artwork error: The green circled '40' on the top Prison Phonecard is correct, while the the card below '40' (circled in red) is in the wrong place. It is thought that ALL cards of this later HM Prison Phonecard design carry this error.

Artwork error: The green circled on the top Prison Phonecard is correct, while the the card below (circled in red) is in the wrong place. It is thought that ALL cards of this later HM Prison Phonecard design carry this error.

Spot the difference, it's not difficult! The bottom card is missing the white background colour in which all other colours are normally printed onto.

Spot the difference, it's not difficult! The bottom card is missing the white background colour in which all other colours are normally printed onto.

Missing the gold: The bottom card is missing the colour gold from the printing palette/process.

Missing the gold: The bottom card is missing the colour gold from the printing palette/process.


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