B P - Benedetto Pistrucci. His initials are normally found on coins of the type of St George on Horseback spearing the Dragon. The initials are on the right in the exergue below the dragon and are found on gold coins and crowns of this design. They also appear below the back part of the neck on the first portrait coins of George IIII.
W W P - William Wellesley Pole. His initials are normally found on the crowns of George IIII. They appear below the lance that is laying behind the horse on the reverse.
J B M - Jean Baptiste Merlen. The initials are found below the neck on some of the double-sovereign (two pound) gold coins of George IIII.
W W - William Wyon.
L C W - Leonard Charles Wyon.
J E B - Joseph Edgar Boehm.
T B - Thomas Brock.
De S - G W De Saulles. Designed the portrait of Edward VII. His initials are found midway below the truncation of Edward VII's neck.
B M - Bertram Mackennal. Designed the portrait of George V. The initials are found near the back on the truncation of his neck. See also The difference between Old Effigy and Modified Effigy sixpence, shillings, or halfcrowns.
C - ?. Found in the center of the last threepence coins of George V. They are in the center of the triangle made up of the three oak sprigs.
K G - G Kruger Gray. Found on the last crowns of George V. The initials are at the bottom to the right of the rose. They also appear on the last halfcrowns and are found with the K on the left and G on the right, in the lower indents of the shield. On the last florins, the initials are again separated. They are on the bottom to either side of the crown. On George V's last shillings, they are again on the reverse, but this time on the top and separated by the leftmost portion of the lion's tail. On the sixpence they are in the very center of the coin, surrounded by the acorns and oak sprigs. He also designed several reverses for George VI. On the crowns (the ones without the St George and Dragon reverse), the K is found below the rampant lion on the left, the G below the unicorn on the right. On the halfcrowns, the initials are again fround in the lower indentations of the shield, K on the left, G on the right. On the florins (two shillings) the initals are above the first L and second I of SHILLINGS, on either side of the stalk. On the English shillings, the K and G are found as on the shillings of George V; at the top on either side of the leftmost part of the lion's tail. On the Scottish shillings, the initials are in the center, the K below the pommel of the sword on the left, the G below the scepter on the right. On the sixpence they are below the monogram. On the non-Maundy (and non-brass) threepence they are below the bottom of the rose and above the center portion of the words THREE PENCE.
P M - Percy Metcalfe. His initials are found on the Rocking Horse crown (1935) of George V. They are on the reverse under the very rightmost part of the dragon.
H P - T Humphrey Paget. Designed the portrait of George VI. The initals may be found at the rear of the neck, below the truncation. He also designed the Golden Hind reverse of the halfpennys of George VI and Elizabeth II. On those coins, the H P may be found on the right, to the aft (or behind) the ship.
W P - Wilson Parker. Designed the wren reverse for the farthings of George VI and Elizabeth II. They are found on the right on the reverse, behind the wren's feet.
G L - Gilbert Ledward. Designed the obverse of the 1953 crown with Queen Elizabeth II on horseback. The initials are located on the ground behind the horse's left rear hoof.
E F - Edgar Fuller. Teamed with Cecil Thomas to design several reverse types of Elizabeth II. On the crowns with the cruciform shields, the initials E F are found on the left, below the top of the Irish shield (the one with the harp). On the halfcrowns, the initals are at the edge of the shield on the left, below the lower left (Irish) quarter and above the C in CROWN. On the florin or two shillings piece, the E and F are just to the left of center on the bottom. They are above the first L of SHILLINGS, between the shamrock and the leek. On the sixpence they are on the lower left, above the P in PENCE.
C T - Cecil Thomas. Teamed with Edgar Fuller to design several reverse types of Elizabeth II. On the crowns with the cruciform shields, the initials C T are found on the right, below the top of the lower English shield (the one with the three passant lions). On the halfcrowns, the initals are at the edge of the shield on the right, below the lower right quarter and above the WN in CROWN. On the florin or two shillings piece, the C and T are just to the right of center on the bottom. They are above the second I of SHILLINGS, between the shamrock and the leek. On the sixpence they are on the lower right, above the E in PENCE.
M G - Mary Gillick. Designed the first portrait of Elizabeth II. The initals are found on the obverse in the center of the neck, on the truncation.
W G - William Gardner. On the reverse of the English shilling, the W is on the left, the G on the right. The initials are close to the shield where it starts to curve inwards. On the reverse of the Scottish shilling, they are in approximately the same location opposite the two lowermost fleurs (excluding the single fleur at the very bottom). He also designed the reverse of the brass (dodecagonal) threepence coins. The initials on these are found below the portcullis above the date.