Fair market value
| Grade | CGC slab | Raw |
|---|---|---|
| 9.8 NM/M | $352 $299–$405 | $117 $92.79–$151 |
| 9.6 NM+ | $150 $127–$188 | $44.49 $35.32–$57.42 |
| 9.4 NM | $119 $101–$137 | $42.59 $36.21–$57.72 |
| 9.2 NM- | $86.53 $73.55–$105 | $40.61 $32.24–$52.42 |
| 9.0 VF/NM | $79.60 $67.66–$131 | $39.58 $31.43–$51.09 |
| 8.5 VF+ | $65.79 $55.92–$95.71 | $35.64 $28.29–$45.99 |
| 8.0 VF | $61.67 $51.09–$70.92 | $33.33 $28.33–$38.33 |
| 7.0 FN/VF | $54.54 $40.91–$68.18 | $29.11 $23.11–$37.57 |
| 6.0 FN | $47.18 $35.38–$58.97 | $23.00 $17.25–$94.57 |
| 5.0 VG/FN | $41.13 $30.85–$51.41 | $19.25 $14.44–$79.13 |
| 4.0 VG | $36.44 $28.11–$49.85 | $17.63 $13.22–$30.12 |
| 2.0 GD | $29.44 $22.71–$40.27 | $15.18 $12.05–$19.59 |
| Raw, ungraded | — | $30.03 $24.03–$34.54 |
Value history
Show history as a table
grailworth's fair market value: what a copy at each grade is worth today, from this issue's market and how value moves with grade across every comic we track. Bold: our firmest values. *Rough: a looser estimate. +$: 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.
About this issue
X-Men #137 (1963) is issue #137 of Marvel's X-Men (1963–2011), with a cover date of September 1980. It's a key issue: Death of Phoenix. grailworth values it from 205 recorded sales, most recently on Oct 31, 2026, and from how comics like it move in value from grade to grade.