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Sub-Mariner #31 cover

Cover: Sal Buscema & Marie Severin

Sub-Mariner #31

Nov 1970 · Marvel · 0.15 USD

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“Attuma Triumphant!”

In "Attuma Triumphant!", Namor returns to Atlantis to find his kingdom under siege—Attuma has kidnapped Ikthon and is forcing the scientist to build a "Devil Machine" to destroy the city. With Atlantean forces weakened and a cruise ship sunk to provoke war with the surface world, Namor teams up with Triton and Stingray to stop the warlord’s escalating threat. Written by Roy Thomas and brought to life with dynamic art by Sal Buscema, with inks by Joe Gaudioso and lettering by Artie Simek, this 1970 Marvel classic features cover art by Sal Buscema and Marie Severin.

writer Roy Thomas · artist Sal Buscema · inker Joe Gaudioso · letterer Artie Simek · cover Sal Buscema, Marie Severin

ComicBooks.com Value

Our Model is In Beta

Raw (Fine) $16

CGC 9.8 · 16 in census $847

CGC 9.6 · 19 in census $279

CGC 9.4 · 25 in census $153

CGC 9.2 · 16 in census $115

CGC 9.0 · 14 in census $86

CGC 8.5 · 16 in census $66

Show all 20 grades ▾

CGC 8.0 · 9 in census $61

CGC 7.5 · 8 in census $57

CGC 7.0 · 5 in census $49*

CGC 6.5 · 2 in census $42

CGC 6.0 · 6 in census $42*

CGC 5.5 · 3 in census $34*

CGC 5.0 · 2 in census $32*

CGC 4.5 · 2 in census $26

CGC 4.0 · 1 in census $26*

CGC 3.5 · 1 in census $23*

CGC 3.0 none in existence

CGC 2.5 none in existence

CGC 2.0 none in existence

CGC 1.5 · 1 in census $20*

* estimate — limited direct-sales data at this grade

Our model’s value — refined as new sales data arrives · CGC census counts shown where available

This exact issue on ebay

CGC 8.5 ▾ $47.95–$130 2 listings

CGC 8.5 $47.95 CGC 8.5 $130

CGC 8 $90 1 listing Raw — MINT $42 1 listing Raw — NM/M $99 1 listing

Raw — VF+ ▾ $24.99–$32 3 listings

VF+ $24.99 VF+ $30 VF+ $32

Raw — VF ▾ $5.19–$21.25 6 listings

VF $5.19 VF $12.44 VF $12.68 VF $12.68 VF $18 VF $21.25

Raw — FN/VF ▾ $11.99–$12.95 2 listings

FN/VF $11.99 FN/VF $12.95

Raw — FINE ▾ $8.99–$15 3 listings

FINE $8.99 FINE $10 FINE $15

Raw — FN ▾ $3.98–$17.5 4 listings

FN $3.98 FN $7.99 FN $9.99 FN $17.5

Raw — VG+ $14 1 listing

Raw — VG ▾ $8–$15.99 5 listings

VG $8 VG $8.4 VG $10 VG $10 VG $15.99

Raw — GOOD $44.5 1 listing

Raw / ungraded ▾ $5–$140 35 listings

Verified matches for Sub-Mariner #31 · eBay asking prices, seen 22 days ago

More listings for this title

Prince Namor the Sub-Mariner, Issue 31 $37.5

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Cast · 10 characters

Attuma Diane Arliss Ikthon Lady Dorma Lord Vashti Namor Saru-San The Thing Triton Walter Newell

Full credits

writer Roy Thomas

artist Sal Buscema

inker Joe Gaudioso

letterer Artie Simek

cover pencils, inks Sal Buscema

cover pencils Marie Severin

Reprints

Reprinted in Marvelmania Monthly Magazine #3 (1970), I Fantastici Quattro #92 (1974), Submariner #4 (1977), Marvel Masterworks: The Sub-Mariner #5 (2014), Namor, the Sub-Mariner Epic Collection #4 (2024)

Key issues in Sub-Mariner

#5 1st appearance — Todd Arliss

#23

#23 1st appearance — Orka

#32

#32 1st appearance — Llyra

#50

#50 1st appearance — Namorita

#58

#58 1st appearance — Tamara Rahn

#62

#62 1st appearance — Queen Zartra

#66

#66 1st appearance — Force

#68

#68 1st appearance — Henry Croft

Variants (1)

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