E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
13 1/2d. The fee given to the executioner at Tyburn, with 1 1/2d. for the rope. This was the value of a Scotch merk, and therefore points to the reign of James, who decreed that the coin of silver called the mark-piece shall be current within the kingdom at the value of 13 1/2d. Noblemen who were to be beheaded were expected to give the executioner from £7 to £10 for cutting off their head.
For half of thirteen-pence hapenny wages
I would have cleared all the town cages,
And you should have been rid of all the stages
I and my gallows groan.
The Hangmans Last Will and Testament. (Rump Songe.)
The present price (1894) is about £40. Calcrafts charge was £33 14s., plus assistant £5 5s., other fees £1 1s., to which he added expenses for erecting the scaffold.