Can over and back porcelain go in the oven?

It's impossible to say for sure whether "over and back porcelain" can go in the oven without knowing what you're referring to. "Over and back" isn't a standard term in the world of ceramics or porcelain.

Here's why you need to be more specific:

* Type of Porcelain: There are different types of porcelain with varying heat tolerances. Some porcelain is designed for high temperatures and can handle being in the oven, while others are meant for decorative purposes only.

* Glaze: The glaze on the porcelain also plays a crucial role. Some glazes are designed to be oven-safe, while others can crack or chip under heat.

* Manufacturer Information: Always check the manufacturer's instructions or product description. They will indicate if the specific porcelain you have is oven-safe or not.

To get a definitive answer, please provide more details about your porcelain, including:

* Brand/Manufacturer:

* Product name/description:

* Any markings or labels on the item:

Once you provide this information, I can help you determine if it is oven-safe.