About $50 is the cheapest I could find. There is a fella on ebay that has 4 wheel cylinders, 1 master and 3 hoses four around $170+ shipping....USA made...you'll save 20-30 bucks and have a new master and hoses to spare..
I don't know him nor I have I used hime. I rebuilt mine. However, a buddy of our's is restoring a 35 coupe and he ordered them....seem just fine...