$ cat cards/curacao-head-coach-cuw-21/faq/rarity-faq-13.md
Does the Curaçao Head Coach sticker have a shiny foil background variant?
card: Curaçao Head Coach CUW-21 · category: rarity
[Concise Summary]
This sticker card has a shiny background ID of none. Shiny foil variants represent rare inserts that are printed at a lower ratio compared to standard matte paper stickers.
[Structured Data Grid]
| Shiny Background ID | Not Applicable |
| Substrate Material | Standard Matte Paper |
| Foil Scarcity Tier | Standard Squad |
| Collectibility Index | 5.4/10 |
Detailed Investigation & Analysis
Shiny cards use high-gloss foil substrates that catch light and display holographic accents. These cards are cataloged under special index IDs. Finding a shiny variant of Curaçao Head Coach requires opening target promo packs or swapping with collectors who hold duplicates.
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 | CUW-21 |
| Official Name | Curaçao Head Coach CUW-21 |
| Estimated Value | $4.54 USD |
| Album Section | Curaçao |
| Completion Mode | Required Checklist Item |