You can copy an auction to create a new event and select what information will be brought over into the new one.
Be sure that you have the auction that you want to copy open. You can change auctions using the dropdown arrow in the header next to the auction name.
Click on Auction then Copy Auction.
The Copy Auction window will appear.
Enter a name and date for the new auction and select the information that you want to copy.
Click Copy Auction.
The auction you just created now appears on the Auction list for the organization.
To access the Auction list, click Organization, then under Actions, click All Auctions.