Saw for Miller Falls 1124 miter box?

Scored this beauty for $10 US at the Re-Store today. Unfortunately the saw wasn’t included, so anyone got recommendations for a backsaw that will work with the Miller Falls 1124 miter box?

Scored this beauty for $10 US at the Re-Store today. Unfortunately the saw wasn’t included, so anyone got recommendations for a backsaw that will work with the Miller Falls 1124 miter box?