Action Comics (1938) #400

DC 1938–2011 series Vol. 1 Cover date May 1971

Fair market value

Grade	CGC slab	Raw
9.8 NM/M	$480 $408–$552	$210 $179–$242
9.6 NM+	$374 $318–$431	$168 $143–$193
9.4 NM	$292 $248–$336	$134 $114–$155
9.2 NM-	$228 $194–$262	$108 $91.39–$124
9.0 VF/NM	$178 $151–$204	$86.02 $73.12–$98.92
8.5 VF+	$139 $118–$159	$68.81 $58.49–$79.13
8.0 VF	$108 $91.89–$124	$55.05 $46.79–$63.31
7.0 FN/VF	$84.31 $71.66–$96.96	$44.04 $37.43–$50.65
6.0 FN	$65.77 $55.90–$75.64	$35.23 $29.95–$40.51
5.0 VG/FN	$51.30 $43.61–$58.99	$28.19 $23.96–$32.42
4.0 VG	$40.01 $34.01–$46.01	$22.55 $19.17–$25.93
2.0 GD	$31.21 $26.53–$35.89	$18.04 $15.33–$20.75
Raw, ungraded	—	$65.00 $55.25–$74.75

Value history

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.

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About this issue

Action Comics #400 (1938) is issue #400 of DC's Action Comics (1938–2011), with a cover date of May 1971. Written by Leo Dorfman and drawn by Curt Swan.

Creators

Writer: Leo Dorfman
Penciller: Curt Swan
Inker: Murphy Anderson
Letterers: John Costanza, Ben Oda
Cover artists: Neal Adams, Dick Giordano

Characters

The stories

“My Son... Is He Man or Beast?”

Superman becomes the guardian of Gregor, a teenage boy, when the boy's scientist father dies. However, Gregor hates Superman for accidentally causing him to become a genetic freak who changes into animals without warning. Supermen gradually trains him to control his powers and their relationship changes, until finally Gregor sacrifices his life to save others.

“Untold Tales of Kandor: Duel of Doom!”

Two students at the University of Kandor receive top honors when they learn to work together.

Credits, characters and story details from the Grand Comics Database, CC BY-SA 4.0.