I have yet to see a supplier produce a burley flake that comes in bulk, however I can recommenced you a
broken flake that is pure burley, although not quite as rich/bold as the blends you mentioned.
I've been diggin' on Newminster Light Burley. It's a superb straight forward burley blend at a cost efficient price. On the lighter side though, it sure doesn't lack any of the burley flavors when one thinks of the typical flavors of the leaf.
I've gone through 2 oz already. Don't let it dry out too much otherwise it becomes too bite prone and it has an odd taste. Keep it slightly moist and you'll be rewarded with some great flavors. I even picked up an SWR/ Edgeworth note on my last few bowls.
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