The letters are the Greek X (chi) and Greek R (rho) The first two letters of Christ's name in Greek (Xristos). When put together as a symbol the R looks like a P in Greek and cuts though the X (CHI-RHO).
px
What does px welcome
In business terms, PX means price.
The ticker symbol for Praxair is PX and it is traded on the New York Stock Exchange.
Chi (the "X") Rho (the "P")-the symbol means "Christ," the letters are Greek.
Pneumothorax
Post Exchange
It means "In Christ". P (rho) and X (chi) are the first two letters of the Greek word for Christ. It's a common Christian symbol.
Looks to me like Part Exchange
The letters are the Greek X (chi) and Greek R (rho) The first two letters of Christ's name in Greek (Xristos). When put together as a symbol the R looks like a P in Greek and cuts though the X (CHI-RHO).
There is no specific symbol for a Catholic convert. However, the symbol of the Catholic Church is the crucifix, which represents the sacrifice of Jesus Christ. A convert to Catholicism may choose to wear a crucifix or display one in their home as a symbol of their faith.
The word 'catholic' means 'universal', so you need to specify if you really mean 'Roman Catholic'.