What is this hand gesture?

:thumbsup::thumbsup:

Here is the Byzantine benediction posture for priests and bishops:

http://www.orthodoxchristianity.net/forum/index.php?action=dlattach;topic=3671.0;attach=12016

The index finger is I. The middle finger is C. The ring finger and the thumb are crossed to make X. The pinky finger is C.

This is how the Old (Russian Orthodox) Believers, from the laity to the bishop, sign themselves with the Cross and bless:

http://upload.wikimedia.org/wikipedia/en/c/c8/2fingers.jpg

Two fingers up for the two natures of Christ and the two fingers and thumb for the Holy Trinity.

https://fbcdn-photos-a.akamaihd.net/hphotos-ak-ash4/s720x720/3700_476804335672783_1131762308_n.jpg

DISCLAIMER: The views and opinions expressed in these forums do not necessarily reflect those of Catholic Answers. For official apologetics resources please visit www.catholic.com.