Conventional.

For comparison, fair trade ranges from $1.40 to $1.90 (organic on the higher end). Direct trade starts at $2 or so at the low end, averages around $3.50 or so and can approach double digits for top-end specialty coffee.

Afaik the quality of the cascara is even more sensible to farming and processing conditions that the bean, so I'd expect a large part of the cascara production to come from higher-end farms anyway.