[I]n 1646, during the phenomenon known as "Tulipomania", a tulip like the red and white 'Admirael van der Eijck', or the purple-splashed 'Generalen van Gouda' would sell for more than 1,000 Dutch florins, at a time when the average annual income of a skilled worker was about 300 florins.
2014 September 26, Charles Quest-Ritson, “The Dutch garden where tulip bulbs live forever: Hortus Bulborum, a volunteer-run Dutch garden, is dedicated to conserving historic varieties before they vanish for good ”, in The Daily Telegraph (Gardening)