Is the skillet pre-seasoned?

Yes. The pan is sold seasoned, so you can cook in it straight away. Wash it gently, dry it fully and rub a little oil on it after each use to keep the seasoning.

How does a 12-inch skillet compare with a 10-inch one?

It gives noticeably more cooking area, enough for a whole chicken or a large batch of vegetables. The trade-off is more weight and more space on the stove and in the cabinet.

Can it go in the oven and on a campfire?

Cast iron like this is built for oven and open-fire use as well as the stovetop. Use oven mitts, since the whole pan, handle included, gets hot.

How do I clean and care for it?

Scrub with hot water and a brush, dry it immediately and coat it lightly with oil. Avoid long soaks and dishwashers, which strip seasoning and cause rust.

Is the Delaware design on the cooking surface?

The pan is decorated with Delaware motifs such as the blue crab, holly and peach blossom. Heavy scouring can wear the finish, so clean it gently if you want to keep the artwork.