August 16 LEGO radar: no dated marketplace bargains, Flower Bouquet sets the $42 ceiling

The short list

What the marketplace pages actually prove

• Mercari produced the clearest dated examples, but all were old. LEGO Minecraft The Dungeon 21119 was listed at $20 in used-good condition and posted July 23, 2026. The seller reports 1,256 reviews, 1,755 listings, and 956 sales; the set is described as complete with 219 pieces and three minifigures, with no box and possible minor glue repairs. That is a useful completeness lead, not a current-week listing. 9
• A generic sealed "Creator Expert" listing is a red flag, not a pick. It was $315, marked new, posted June 26, 2026, and the description says the box has creases and that resealed tape fell off. The page does not identify a set number. Ask for the number before discussing price; a retired-set listing without an exact identity cannot be compared against a market reference. 10
• The Ferris Wheel lead is also outside the window. Mercari's 10247 listing was $499, new, and posted March 6, 2026. The seller showed 257 reviews, 44 listings, and 29 sales. Its price may be interesting for a separate 10247 screen, but it is not evidence of a new listing this week. 11
• eBay had live pages without a usable creation date. Ghost & Phantom II 75357 was shown new and sealed at $199.99 plus $29.42 shipping, with returns accepted and a seller marked 100% positive. The page does not expose a native start date, so it stays an unresolved lead. The 1994 King Kahuka's Throne 6262 was $335 plus $122.50 shipping and showed a last-updated date of December 19, 2025; Guardians' Ship 76193 was $219 plus $14.60 shipping and showed a last-updated date of February 8, 2026. An update date is not a listing date. 121314
• Vinted and Depop did not add a qualified item. The two Vinted detail pages surfaced by discovery were removed when opened, and the Depop results were unrelated clothing listings. BrickLink returned catalog and inventory pages rather than seller pages with a creation time. Those surfaces remain in the watch, but they supplied no admissible August 9–16 listing for this edition. 1516

The five-minute authenticity check

1. Match the identity first. Require a photo of the set number, box front and back, and the instruction-book cover. A generic "Creator Expert" title without a number is not enough to identify a collectible.
2. Treat resealed tape as a condition problem. Ask for close-ups of every seam and both end flaps. A box that is described as resealed may still contain genuine LEGO, but it is no longer equivalent to factory sealed.
3. For loose sets, verify the expensive pieces before the part count. Check the minifigures, printed parts, transparent elements, and any large or unusual panels against the official inventory. For 21119, the seller's own disclosure of possible glue repair means the buyer should ask which pieces were repaired and request close-ups before paying.
4. Price the whole transaction. Add shipping and fees before comparing with the table. A $199.99 eBay 75357 offer becomes a different deal after $29.42 shipping, and a $335 6262 offer changes materially with $122.50 shipping.

Bottom line