"Yeah, I had a few things." He manages to dig his uniform out of the suitcase when he finds it. Then the metal.

The metal clanks around in the box he picks up. He actually turns away from anyone to look into it, has his silent reaction, closes the box back up and goes back to digging up his bottles of booze.

"Hey, you see Siebren around tell 'im I got somethin' for 'im. It ain't nothin' big so no rush."

Senku talked to him a lot more than Yondu did. He figured considering they ran into each other a little bit more.