English Dated Coin Run

While things are slow I want to start a date run of coins. I really don't care from what country they are from. I want to know what is the earliest dated coin that I can start with that is written under the numerical system date that I can expect to find. I know some coins are dated in the 1500's. Are any dated before this. What dates do you think I will never find or see... Is this possible to do ? Thanks Jim
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The earliest coin with an AD date was a coin from Roskilde, Denmark, dated 1234 - but this, and other very early dated coins, used the Roman numeral system. Western-style numerals hadn't been invented then.
The earliest appearance of "modern" western-style numbers on coins is This coin from Saint Gall, a canton of Switzerland; it's dated 1424, and the number "4" hasn't quite evolved into it's modern form.
All these very early coins are isolated examples, and do not yield a "run of dates". The earliest such run of dates is I think from Hungary, where the small silver denars are regularly dated from the very early 1500's.
Dates did nor appear on English coins until the mid-1500's, and again the practice was initially erratic, with few if any "runs" possible. The first coins in the English/British series I would consider to be routinely dated are the larger Commonwealth silver coins (1649-1657) and the coins of Charles II and subsequent monarchs (1660-).
Roman emperor Marcus Aurelius, "Meditations"
Apparently I have been awarded the DPOTD twice.