Quarter farthing have a purchasing power of between 3p and 4p (£0.03 to £0.04). Quarter farthing The British quarter farthing (d) coin was a unit of currency equaling one sixteenth of a penny ( of a pound sterling). It was produced for circulation in Ceylon in various years between 1839 and 1853, with proof coins being produced in 1868. It is the smallest denomination of pound sterling coin ever minted. The coin is considered to be part of British coinage because it has no indication of what country it was minted for, being made in the same style as the contemporary half-farthing
Penny (unit) nail, the higher the cost per long hundred. The system remained in use in England into the 20th century, but is obsolete there today. The d is an abbreviation for "denarius", a Roman coin similar to a penny; this was the abbreviation for the monetary penny in the United Kingdom before decimalisation. Penny (unit) In the United States, the length of a nail is designated by its penny size, written with a number and the abbreviation d for penny; for example, "10d" for a ten-penny nail. A larger number indicates a longer nail, shown in the table below. Nails under