$ cat cards/official-ball-7-2018/faq/trading-faq-51.md
How do I add Official Ball to my duplicates swap list?
card: Official Ball 7 (2018) · category: trading
[Concise Summary]
You can increment the duplicate counter for code 7 in the Swap Tracker utility. This registers the card as a tradeable asset in your public export string.
[Structured Data Grid]
| Swap Tracker Command | add duplicate 7 |
| Export Location | Swap Tracker Output |
| Status Flag | Tradeable Duplicate |
| Export Format | Base64 checklist hash |
Detailed Investigation & Analysis
The Swap Tracker aggregates duplicate cards in a central export list. Incrementing duplicates registers items in your database string. Counterparties can paste this string to scan matches instantly.
Additional notes for collectors: Ensure checklist entries are verified before confirming trades. Standard trade ratios are calculated relative to card popularity.
[Album Context Specs]
| Card Code | 7 |
| Official Name | Official Ball 7 (2018) |
| Estimated Value | $1.27 USD |
| Album Section | Introduction (2018) |
| Completion Mode | Required Checklist Item |