New Delhi, 05 January (NNS): The prices of big cardamom jhundiwali eased by Rs 10 to Rs 1260 per kg owing to the weak sale even after the decrement during the previous days. Before this, the prices have gone down by Rs 25/30 per quintal. Its average auction prices rose to Rs 1025/1625 per kg in the last auction which held on 28 December. The market sentiments may affect because of the sluggish production. There is a possibility of long downtrend in the spot big cardamom prices during the coming days.