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.
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X-Men #128 (1963) is issue #128 of Marvel's X-Men (1963–2011), with a cover date of December 1979. Written by John Byrne and Chris Claremont and drawn by John Byrne.