A letter from Andrew to a Scottish client survived with the ledger , advising hides would sell best at Eastertide 1502 ; he wrote ,
Primarily , Andrew 's clients sent him wool or skins to sell .
A letter from Andrew to a Scottish client survived with the ledger , advising hides would sell best at Eastertide 1502 ; Andrew wrote ,
Primarily , Andrew 's clients sent him wool or skins to sell .