Instructions:THIS DEAL IS POSSIBLY ONLY FOR LOYALTY CUSTOMERS - But worth a go if you are not! It worked on some of their Mulberry range for me.
Had an email saying;
"As a very special my-loyalty customer we’d like to give you the
chance to shop the Sale preview.
Fight the freeze in cosy winter warmers or indulge those party plans with hot frocks and dazzling rocks, just remember to take advantage before midnight 22nd December when the treat expires.
Simply enter the code PRESALE30C in the promotional code box at the checkout to receive your discount. And remember you can use this code on any item that isn’t marked as ‘New Season’."