I Should Jolly Well Say So, Old Fruit

https://www.youtube.com/watch?v=XPFIwlUeNQU

15 Forgotten Fruits That Medieval Farmers Grew That NEED To Come Back, Medieval Times Discovered YouTube Channel. Plenty of interesting episodes here.

Available on Amazon for about $30, at 340 grams (almost 12 ounces). Probably the easiest way I could ever taste what medlar is like.