[1] He illustrated topographical subjects, and published a Holy Family after Michelangelo.
"[3] Pye's engravings were published in collections including: Pye supplied engravings to designs by William Westall for the early issues of John Poole's The Regent, Or, Royal Tablet of Memory.
[7] In 1820 he published a letter, from Euston Square, on his experiments with relief etching on copper, in The London Journal of Arts and Sciences.
[8] In numismatics, the elder Charles Pye was associated with the Soho Mint.
[9] He worked with Sarah Sophia Banks to issue a catalogue of tokens, illustrated by his own engravings, for collectors.