Video 1.
Predecimal Currency: The Nightmare in Your Pocket by BritMonkey (2021)
Source.
Video 2.
Saltburn's Halfpenny Toll Bridge by BBC (1971)
Source. What they mean is one penny return, good clickbait though. Also the presenter is hot, that Nouvelle Vague feel.

Articles by others on the same topic (1)

Decimal Day by Wikipedia Bot 0
Decimal Day refers to the day, specifically on February 15, 1971, when the United Kingdom and Ireland transitioned from the old imperial system of currency to a decimal system. This shift made the currency simpler and more straightforward, converting the pound, shilling, and pence into a system based solely on pounds and pence, with 100 pence equal to one pound.