How much did a day of a master mason's work cost in 1350?
The record: 6d a day, London 1350.
About $73 in today's gold
3 days of a farm labourer's pay.
Summer rate in the London ordinance; the 1351 statute capped a master freemason at 4d. Source
Who could buy it
The lowest paid on each ladder of 1350 whose pay was enough:
In other words, within reach: under a week's work for a farm labourer.