Murders at Karlov Manor Sealed · Booster case
Is Massacre Girl, Known Killer (Showcase) Worth Opening?
TCGplayer market · Aug 27, 2026 $2.54
1-year range $2.52$4.76 46.6% below the 1-year high
Box price shown. An EV verdict needs card market prices.
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About Massacre Girl, Known Killer (Showcase)
At $2.54 it trades near the bottom of its one-year range of $2.52 to $4.76.
Massacre Girl, Known Killer (Showcase) Price History
TCGplayer market price for the sealed box, 43 days tracked.
$3$4AprMayJunJulAugHigh $4.76Low $2.52
- Now
- $2.54
- TCGplayer market
- 1-year high
- $4.76
- 87.4% above today
- 1-year low
- $2.52
- Today is 0.8% higher
The Murders at Karlov Manor lineup
Every Murders at Karlov Manor product we track, ranked by card value per dollar of sealed price.
Details and daily prices
Massacre Girl, Known Killer (Showcase) currently sells for $2.54 at market, down 10.6% over 30 days and down 46.6% over 90 days. All-time tracked high: $4.76 (2026-04-30); low: $2.52 (2026-08-25).
43 daily snapshots. Last update 2026-08-27.
Daily prices, last 30 snapshots
| Date | Market | Low | Mid | High |
|---|---|---|---|---|
| 2026-08-27 | $2.54 | $1.93 | $2.82 | $25.00 |
| 2026-08-26 | $2.52 | $1.93 | $2.86 | $25.00 |
| 2026-08-25 | $2.52 | $1.93 | $2.85 | $25.00 |
| 2026-08-24 | $2.53 | $1.93 | $2.87 | $25.00 |
| 2026-08-23 | $2.56 | $1.92 | $2.84 | $25.00 |
| 2026-08-22 | $2.57 | $1.93 | $2.84 | $25.00 |
| 2026-08-21 | $2.57 | $1.93 | $2.84 | $25.00 |
| 2026-08-20 | $2.57 | $1.93 | $2.86 | $25.00 |
| 2026-08-19 | $2.57 | $1.93 | $2.86 | $25.00 |
| 2026-08-18 | $2.56 | $1.94 | $2.85 | $25.00 |
| 2026-08-17 | $2.56 | $1.94 | $2.88 | $25.00 |
| 2026-08-16 | $2.55 | $1.93 | $2.88 | $25.00 |
| 2026-08-15 | $2.59 | $1.94 | $2.90 | $25.00 |
| 2026-08-14 | $2.59 | $1.94 | $2.93 | $25.00 |
| 2026-08-13 | $2.64 | $1.94 | $2.99 | $25.00 |
| 2026-08-12 | $2.64 | $1.95 | $2.99 | $25.00 |
| 2026-08-11 | $2.64 | $1.94 | $2.96 | $25.00 |
| 2026-08-10 | $2.64 | $1.94 | $2.99 | $25.00 |
| 2026-08-09 | $2.64 | $1.94 | $3.00 | $25.00 |
| 2026-08-08 | $2.64 | $1.95 | $3.00 | $25.00 |
| 2026-08-07 | $2.64 | $1.95 | $3.00 | $25.00 |
| 2026-08-06 | $2.71 | $1.95 | $3.00 | $25.00 |
| 2026-08-05 | $2.71 | $1.95 | $3.00 | $25.00 |
| 2026-08-04 | $2.71 | $1.95 | $3.00 | $25.00 |
| 2026-08-03 | $2.79 | $1.95 | $3.00 | $25.00 |
| 2026-08-02 | $2.79 | $1.94 | $3.00 | $25.00 |
| 2026-08-01 | $2.80 | $1.94 | $3.00 | $25.00 |
| 2026-07-31 | $2.80 | $1.39 | $3.00 | $25.00 |
| 2026-07-30 | $2.84 | $1.34 | $3.00 | $25.00 |
| 2026-07-29 | $2.84 | $1.34 | $3.00 | $25.00 |