Gold holds near its lowest in three months in early European trade on Friday as the dollar hovers around six-month highs against the euro after the previous day's strong U.S. retail sales report. Spot quoted at $421.50/422.00 a troy ounce by 0600 GMT, against New York's late Thursday trade of $421.75/422.50. On Thursday gold fell to a three-month low of $420.05. Euro fetching around $1.2670, having dipped to a six-month low of $1.2666 in early Asian