This photo has been kindly provided by Terry Newman from his own card collection.
 

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The Edinburgh newspaper, The Evening Dispatch, issued this photo card of Dave Mackay when he was playing for Heart of Midlothian in 1956.
The card was number 30 in an issue of 75 in the set.
The card measures 83mm x 132mm in size.
If anyone has any other cards and would be willing to share them with us, please contact us at mehstg2016@gmail.com .
Our contributor Terry Newman is always on the look-out for additions to his collection, so if anyone is thinking of
selling any pre-1960 trading or cigarette cards, please contact us at mehstg2016@gmail.com and we will pass your details on to him.  

There are lots of other Spurs cards on the Cartophilia Information Exchange website and on CardHawk.