What's the difference between sixpenny and tuppeny?

Sixpenny

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Definition:

• (a.) Of the value of, or costing, sixpence; as, a sixpenny loaf.

Example Sentences:

• (1) If you were ill, you had to go to a “panel” doctor if you were eligible, or see a sixpenny doctor who would treat you for a fee.

Tuppeny

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Definition:

Example Sentences: