On April 3, 2005, the day after Pope Saint John Paul II fell asleep in the Lord, a Divine Liturgy was offered for the repose of his soul with Bishop Miguel Mykycej, then-eparch of the Ukrainian Catholic Eparchy of Santa María del Patrocinio in Buenos Aires, and then-Cardinal Jorge Maria Bergolglio concelebrating.
] Then click where it says in red "Vedi tutte le foto
". It will take you to a slide show of 5 photos.
You will see that the now-Pope of Rome is wearing Eastern liturgical vestments but wearing his favorite --and now famous-- mitre.