How Much Is a Harry Potter Girls' Graphic T-Shirt 'I Solemnly Swear That I Am Up To No Good' Worth?
Based on 1 independent scans and 42 recent sold comparables, a Harry Potter Girls' Graphic T-Shirt 'I Solemnly Swear That I Am Up To No Good' is typically worth around $10. Recent sold prices ranged from $3 to $36 with a median of $10.
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More listings of this item
Images from current eBay listings of this item.
Sold Range
$2.99 – $35.98
42 recent sales
Sold Median
$10.50
Realistic sale price
Asking (Active)
$14.12
34 live listings
AI Estimate
$10.00
Avg of 1 scans
Market Insight
Live listings are running 35% above what items actually sell for — sellers are asking $14 but completed sales are landing closer to $10. Price in line with sold comps to move it.
Recent Sold Comparables
What this item has actually sold for, pulled from public completed listings.
| Title | Sold |
|---|---|
| men's Unisex T-Shirt -Harry Potter "I SOLEMNLY SWEAR THAT I AM UP TO NO GOOD" | $12.99 |
| Harry Potter Adult Size XL T-Shirt 'I Solemnly Swear That I Am Up To No Good' | $5.50 |
| Harry Potter Shirt Mens Maroon I Solemnly Swear That I Am Up To No Good Size S | $21.01 |
| Harry Potter T-shirt Women Size Small "Solemnly Swear Up to No Good" Purple Pink | $7.96 |
| Girls 11th Harry Potter Birthday XL Shirt I Solemnly Swear That it's My Birthday | $5.00 |
| Harry Potter "I Solemnly Swear That I am Up To No Good" Licensed T Shirt large | $10.00 |
Get a Value for Your Specific Item
This page shows market data for Harry Potter Girls' Graphic T-Shirt 'I Solemnly Swear That I Am Up To No Good' in general. Your item's actual value depends on condition, completeness, and current demand — scan it to get a specific number.
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Frequently Asked Questions
How much is a Harry Potter Girls' Graphic T-Shirt 'I Solemnly Swear That I Am Up To No Good' worth?
Based on 42 recent sold listings, a Harry Potter Girls' Graphic T-Shirt 'I Solemnly Swear That I Am Up To No Good' typically sells for $3 to $36 with a median of $10. The exact value depends on condition, completeness, and current market demand. Run a fresh scan for instant pricing on your specific item.
Where do these prices come from?
Sold prices come from completed listings on eBay, Poshmark, Mercari, Facebook Marketplace, and Etsy — actual sales, not asking prices. Active asking prices are pulled from live listings. We re-aggregate this data continuously as new scans come in.
Why do listing prices differ from sold prices?
Sellers commonly list above what items realistically sell for. The gap between "asking" and "sold" is the most important number to look at — pricing in line with the sold median moves your item; pricing at the asking ceiling means it sits.
Aggregated from 1 independent AI scans and 42 recent completed listings across eBay, Poshmark, Mercari, Facebook Marketplace, and Etsy. Re-aggregated daily. Last refreshed June 19, 2026.
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