charters sooner due to paperwork problems and the fact that the bank was already in business. In 1946, First National merged with Peoples-Pittsburgh Trust Company, with whom it had worked closely since the 1930s, to form Peoples First National Bank & Trust. In 1959, Peoples First merged with Fidelity Trust Company to form Pittsburgh National Bank. At this time, the bank adopted the first version of its present logoa stylized triangle representing the city's Golden Triangle. In 1969, the bank reorganized as a holding company, Pittsburgh National Corporation. Another branch of the current bank, the Philadelphia-based Provident National Corporation, dates back to 1865. In 1982, Pittsburgh National Corporation and Provident National Corporation, both with PNC as their abbreviations, merged into a new entity named PNC Financial Corporation. It was the largest bank merger in American history at the time and created a company with $10.3 billion in assets. Between 1991 and 1996, PNC purchased more than ten smaller banks and financial institutions, including the $30 billion dollar merger of Midlantic Bank of Edison New Jersey in 1996, that at the time, was one-third the size of PNC. That broadened its market base from Kentucky to the New York metropolitan area. Since 1984, PNC has compiled the Christmas Price Index, a humorous economic indicator which estimates the prices of the items found in the song "The Twelve Days of Christmas". In 1998, PNC acquired Hilliard Lyons for $275 million in cash and stock. Hilliard Lyons was sold in 2008. In 1998, PNC sold its credit card business to Metris (now HSBC Finance) and MBNA. In 2000, the company adopted a new brand image and changed its name to PNC Financial Services Group. In 2001, PNC sold the original PNC Mortgage to Washington Mutual due to volatility in the market. In 2004, PNC acquired United National Bancorp based in Bridgewater, New Jersey for $321 million in cash and 6.6 million shares of its common stock. In 2005, PNC acquired Riggs National Corporation of Washington, D. C. Riggs had been fined after aiding Chilean dictator Augusto Pinochet in money laundering. PNC became one of the largest banks in the Washington metropolitan area. In 2005, PNC began outsourcing mortgages to Wells Fargo. In August 2006, PNC got back into the credit card business by marketing and issuing credit cards under the MasterCard brand in partnership with U.S. Bancorp. After the National City merger (see