Strange item at Gus's cellar

[JackMoon]

I found something here, there is a hand like if I can pick or interact, but nothing happens. What's this?

 

[Odin]

It's related to a game secret, you can learn more from a specific lost book in the museum :)

 

[Grimzy]

I definitely want an update when you figure it out lol. I just recently found out about this.

 

[Dwc2790]

It's related to a game secret, you can learn more from a specific lost book in the museum :)

Yep, means it's interactable

 

[Skullpirateg]

Here's a link to this secret and more on the wiki for anyone who'd like it. https://stardewvalleywiki.com/Secrets