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
Deben (unit) Deben (unit) The deben was an ancient Egyptian weight unit. Stone weights from the Old Kingdom have been found, weighing about 13.6 grams. Similar weights from the Middle Kingdom were discovered at Lisht. From the Middle Kingdom date also "deben" weight units used for metals, referred to as copper deben and gold deben, the former being about twice as heavy (c. 23.7 grams) as the latter. From the New Kingdom one "deben" was equal to about 91 grams. It was divided into ten "kidet" (alt. "kit", "kite" or "qedet"), or into what is referred to by Egyptologists as 'pieces', one