It was instead St. Andrew who was executed on an X-shaped cross. (St. There are many various works of ecclesial art and design which depict this, including: Guido Reni, Crucifixion of St. Peter, Vatican Museum ( Home - Vatican Museums) According to an ancient tradition, Peter tried to leave Rome during Nero’s persecution. The Cross of Saint Peter is the “upside down” looking cross that St. Peter was crucified upon. The Cross of St. Peter or Petrine Cross is an inverted Latin cross traditionally used as a Christian symbol, but in recent times also used widely as an anti-Christian symbol (a meaning which is not valid with respect to traditional conventions of Christian symbolism). https://www.christianity.com/.../what-does-an-upside-down-cross-mean.html Therefore many Christian sects use this cross as a symbol of humility. A trio of St. Peter girls cross country runners earned Big South Conference Honorable Mention. So the mechanism should be … Several people have called foul, saying (as the record states) that St. Peter was crucified on an upside-down cross, not the X-shaped cross shape created by the mechanism. St. Peter's Cross. (formal name: Petrine Cross) Peter is believed to have been crucified upside down at his own request, as he did not feel worthy to die the same way as Jesus.