Collectors Universe, Inc. (NASDAQ:CLCT) announced financial results for its fourth quarter and year ended June 30, 2011. Grading, authentication and related service revenues, as compared to fiscal 2010, increased 13% in this year's fourth quarter and 10% for the fiscal year. The fourth quarter increase to $12.2 million was driven primarily by an 18% increase in coin service revenues. The increase in coin service revenues was primarily the result of a 25% increase in modern coin grading revenues and 152% increase in world coin grading revenues in the quarter.

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