Try here:
They may not have in stock but they will get more in and you can receive an email as soon as they do and they have unbeatable pricing!
http://www.vancouverseedbank.ca/search.php?ss=coca+
Just a few questions. If we use 99% alcohol (medical) and soak the ground coca leaf powder for a few days and then slowly boil until alcohol evaporates, leaving a grimy paste, can this paste then be dried. Will the alcohol soak remove impurities leaving a good enough quality of paste to consume?