PINGO, John  (1738-1827) British seal-engraver, sculptor.
          Son of Thomas Pingo (q.v.).
          Employed at Royal Mint.

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          B I O G R A P I C A L  R E F E R E N C E S
          N U M I S M A T I C   R E F E R E N C E S

M4  {1894} Betts 382, p 170, 516 229, 528 234, 531 235, 53 250-251.
E3  {1902-30} Forrer 4:551, 8:133-134.
E14 {1978} Willey, p 127.
M45{1987} Eimer (Christopher)  British Commemorative Medals and Their Values. 
          Second edition. London: Spink (2010) [index 6 items] 306.
D3a {2006} Benezit.Dictionary of Artists, p 11:15.