A 500-Lot Auction of Autographed Postal Covers in All Fields of Collecting -- 30-Minute Extended Bidding Starts Tuesday, August 22nd at 8:00 PM, EST. Starting at 8:00 PM, EST the clock will reset for another 30 minutes each time a bid is placed on each individual lot. The 30-minute clock reset is unique for each lot, with every lot going into its own unique countdown during extended bidding.