New Delhi, 25 September (NNS): The prices of black pepper Markara eased by Rs 20 to Rs 655 per kg due to the weak buying at the higher level. Recently, the prices have gone down in the same ratio. The arrivals reported to be negligible in Kochi and the prices held stable at the level of the previous day. There is a possibility of break on downtrend in the spot black pepper prices during the coming days.