SINGAPORE- * Iran has set the December official selling price (OSP) of its Iranian Light crude oil grade for Asian buyers at 45 cents below the Oman/Dubai average, down 10 cents from the previous month, an source with knowledge of the matter said on Thursday.

* The producer set the December Iranian Heavy crude OSP at 55 cents below the Oman/Dubai average, down 5 cents from the previous month, the source said.

* The table shows Iran's December crude prices to Asia as differentials to the Oman/Dubai average. All prices are in U.S. dollars.

(Reporting By Shu Zhang; editing by David Evans) ((shu.zhang@thomsonreuters.com; +65-6870-3549; Reuters Messaging: Twitter @shuzhang4))