Genuine Bhutanese Incense — Nado Poizokhang, Green box, grade "E"
Genuine Bhutanese Incense — Nado Poizokhang, Orange box — grade "B"
Genuine Bhutanese Incense — Nado Poizokhang, Orange box — grade "C"
Genuine Bhutanese Incense — Nado Poizokhang "Riwo Sangchoe and Surzey"
Genuine Bhutanese Incense — Nado Poizokhang "Happiness", grade "A"
Genuine Bhutanese Incense — Nado Poizokhang "Grey", Dark-Grey box — grade "D"