Old G&S windsurfer. Need advice

Hey y'all.
I got this old G&S windsurfer. I wanted to know what y'all think of it. The serial number is on the 10000 range. I had a guy offer me money. Thanks.
I got this old G&S windsurfer. I wanted to know what y'all think of it. The serial number is on the 10000 range. I had a guy offer me money. Thanks.