Pappy Van Winkle Aging 🥃 – Braille Refreshers 2023092802

* Pappy Van Winkle is a famous (and famously expensive) Kentucky bourbon. Most, if not all, bourbons are aged for a minimum of four years, while Pappy Van Winkle is aged for at least ten years, and can be aged up to 23 years before being bottled.
Which expression below gives the minimum number of years that Pappy Van Winkle is aged?