Edward the Confessor's sword. Curtana (the cutter), a
blunt sword of state, emblematical of mercy.
The Chevalier Prince Charles Edward.
The Young Pretender. Introduced by Sir Walter Scott in Redgauntlet,
first as “Father Buonaventura,” and afterwards as
Pretender to the Crown. Again in Waverley.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894