KARACHI (APP) - Gold price slipped by Rs 171 to close at Rs 49,200 per 10 grams in the local market on Friday as its international price trimmed to $1,712 an ounce, market sources said. According to Karachi Sarafa Association official, tola (11.664 grams) price also decreased by Rs 200 to Rs 57,400. Silver closed lower at Rs 900.57 per 10 grams.