How much could you get for a 20p with a date on it?

The value of a 20p coin with a specific date can vary depending on its rarity and condition. Generally, most 20p coins are worth their face value, but certain years or specific minting errors may be more collectible and could fetch a higher price, potentially ranging from a few pence to several pounds. It's best to check recent sales or consult a coin collector or dealer for a more accurate valuation based on the coin's specifics.