Worlds Unknown #6

Apr 1974 · Marvel · 0.20 USD

“Killdozer!”

writer Gerry Conway · artist Dick Ayers · artist, inker John Romita · inker Ernie Chua · colorist Petra Goldberg · letterer Artie Simek · writer Theodore Sturgeon · cover Gil Kane, John Romita, Ernie Chan

Our Model is In Beta

Raw (Fine) $5

CGC 9.8 · 19 in census $233

CGC 9.6 · 21 in census $64*

CGC 9.4 · 14 in census $42

CGC 9.2 · 8 in census $28*

CGC 9.0 · 5 in census $23*

CGC 8.5 · 3 in census $20*

Show all 14 grades ▾

CGC 8.0 · 1 in census $20*

CGC 7.5 · 3 in census $20*

CGC 7.0 · 1 in census $20*

CGC 6.5 · 1 in census $20*

CGC 6.0 none in existence

CGC 5.5 · 2 in census $20*

CGC 5.0 none in existence

CGC 4.5 · 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

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Full credits

artist, inker John Romita

cover pencils Gil Kane

cover pencils, inks John Romita

cover inks Ernie Chan

Reprinted in Planet of the Apes #21 (1975), Le Fils de Satan #4 (1976)

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