Recording GL transfers and auction

We've had an donor give wine to be auctioned instead of cash gift this year. After the wine is sold, the cash is going to be transferred from the auction purchase GL to the annual fund GL. I not sure how we can record the auction purchases and the donation and transfer without something being off. Has anyone done something similar?

For example:

1. John Smith gives $5,000 in wine
2. The wine is bought by 10 people for a total of $6,000 (recorded in Auction purchases)
3. $2,500 is transferred to Annual fund from Auction purchases
4. Tessitura says $6,000 in Auction, and there's only $3,500

Is it possible to keep the records of auction purchases and make the GL match? I can't make a negative contribution to make it balance out. Any ideas would be appreciated!

Thanks,

Ann

Edit to clarify: We need to record John Smith as giving $2,500 Cash to the Annual fund, and need to record all the auction purchases for future knowledge.

So Auction would say $6,000 (but $3,500 in the bank) and Annual would say $2,500. We are double recording that money. Is there a way to mark that in Tessitura so we know why the bank is different?