What is the Name of This Cross?

In the approbation given the 1854 edition of St. Alphonsus Liguori's [*Preparation for Death (or Considerations on the Eternal Maxims)*](https://ia803105.us.archive.org/20/items/preparationforde00ligu/preparationforde00ligu.pdf) one finds: QUESTION: Does anyone know the name of this cross? It seems neither to be an iron cross nor a maltese cross. I would like to know what it is called because I am hoping to reproduce it with LaTeX and make use of it in a current work of mine. Thank you.