: Retro tin metal signs featuring these heroes can be found on sites like eBay and Amazon .

: These typically feature weathered comic book covers from the Golden and Silver Ages.

: These signs often use a "rusty" or "distressed" aesthetic to mimic authentic garage finds.

: Nostalgic panels and classic #1 covers are available from retailers like Amazon and Bed Bath & Beyond .

: Look for wooden plaques or tin signs featuring classic American cars like the Camaro at Amazon .

: Many motorcycle-themed signs, like those on Chico Creek Signs or eBay , can be personalized with your name and an "established" date.