How much did a stained-glass window cost in the Middle Ages?
The record: £56, 1405.
About $160,000 in today's gold
27 years of a farm labourer's pay.
John Thornton's contract for York Minster's Great East Window: 4s a week for three years, £5 a year on time and £10 on completion. Source
Who could buy it
The lowest paid on each ladder of 1350 whose pay was enough:
In other words, out of a farm labourer's reach: more than a whole year of his pay.