No, those markings don't mean anything to me.
You're looking for a sticker similar to this one from a Genesis 2. I found it on the underside of the porcelain enameled control panel.
A Genesis 1000 should have a model number of 210000 or some variant like 211001, 214001, or 219001.
You're looking for a sticker similar to this one from a Genesis 2. I found it on the underside of the porcelain enameled control panel.

A Genesis 1000 should have a model number of 210000 or some variant like 211001, 214001, or 219001.