Roseanne's Research
Shining Darkness · #promo · Uncommon · 2007JPN
Printings & price history
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Graded values
Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.
PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.
Graded population census · updated 2026-09-18
1st EditionPopulation data from PriceCharting, updated monthly.
How much is Roseanne's Research #promo worth?
Right now (November 7, 2026) the going rate for an ungraded Roseanne's Research #promo from Shining Darkness is about $5.00. Across the 2 printings we track, copies run anywhere from $2.00 to $4.99 depending on the version you're holding.
Grading changes the math on this one: a PSA 10 is valued around $93.11, roughly 18.6x the raw price, while a PSA 9 sits near $32.37. 14 copies have been graded to date, and 50% of them came back a 10 — worth knowing before you pay grading fees.
We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Roseanne's Research has moved over time.
