nomisma vs shilling sign

nomisma

noun
  • Coinage, a monetary system. 

  • current coin of a state (ancient). 

  • coinage, esp. with connotation as a means to control a monetary system (rare). 

  • A stamp, an image on a coin. 

  • money or currency (modern). 

shilling sign

noun
  • The symbol '/' used in the United Kingdom before decimalisation to separate shillings from pence when writing out sums of money. (Examples: 7/6 = seven shillings and six pence; 7/- = seven shillings exactly.) 

How often have the words nomisma and shilling sign occurred in a corpus of books? (source: Google Ngram Viewer )