grailworth's fair market value: what a copy at each grade is worth today, from this issue's market
and how value moves with grade across every comic we track. Bold: our firmest values. *Rough: a looser estimate.
+$: worth grading, a raw copy at that grade gains this much slabbed by CGC, after the fee and shipping.
Pick a grade for its value history and the most to pay for a raw copy you'd send to CGC.
What's it worth?
See fair market value at every grade, raw and CGC, with value history and the grading break-even.
Sentry #8 (2005) is issue #8 of Marvel's Sentry (2005–2006), with a cover date of June 2006. grailworth values it from 7 recorded sales, most recently on Jul 31, 2026, and from how comics like it move in value from grade to grade.