Showcase #55

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1

I just bought a copy of Showcase #55 which the app has as a Gold Key for 1st Silver Age app. of Solomon Grundy. My copy is Graded and also list first Silver Age guest app. if Green Lantern.
Should this be added to the info the app provides or was CGC wrong?

Thanks in advance.

2

Interesting. Let me check and I’ll get back to you on this

3

So checked this. Label the isn’t technically incorrect, it’s just unnecessary if you ask me. Jay Garrick’s 1st Silver age app remains Flash, Vol. 1 #123. Showcase #55 released 4 years after Flash. He’s technically a guest appearance but so are a few of the other characters in it. But “1st Silver Age guest app.” is just redundant. Thank you for posting!