(back) functions;
1. /vintageC/2025/03/16/bids.html
2. /vintageC/2025/03/16/bid-amount.html
3. /vintageC/2025/01/19/bid-amount.html
4. /vintageC/2025/01/12/bid-amount.html
5. /vintageC/2024/12/1/bid-amount.html
6. /vintageC/2023/10/7/bids.html
7. /vintageC/2023/07/29/bids.html
8. /vintageC/2023/07/29/bid-amount.html