It is: D = 500
In Roman numerals, the letter D was used to represent 500, though it's hard to consider Roman numerals an "abbreviation" per se ("1776" is much shorter than MDCCLXXVI).
The abbreviation for penny is d, from the Roman denarius. The wt is an obvious abbreviation of weight.So penny+weight = d+wt = dwt
Five hundred in Roman numerals is the letter D.
The letter D represents 500.
The letter "D" represents the number 500 in Roman numerals.
D stands for "denarius". It comes from when, back in the Roman times, the British used Roman currency (which was called the denarius). As the penny replaced the Denarius, the British continued to use the abbreviation "d." They passed this tradition on to South Africa, so the D on African coins is an abbreviation for penny.
D is 500 in Roman Numerals.
D
D
In Roman Numerals, D is 500.
D is the Roman Numeral for 500.
500 = D