JTR
Stylos is the blog of Jeff Riddle, a Reformed Baptist Pastor in North Garden, Virginia. The title "Stylos" is the Greek word for pillar. In 1 Timothy 3:15 Paul urges his readers to consider "how thou oughtest to behave thyself in the house of God, which is the church of the living God, the pillar (stylos) and ground of the truth." Image (left side): Decorative urn with title for the book of Acts in Codex Alexandrinus.
I did some browsing yesterday through an online edition of Codex Alexandrinus at the artwork and titles at the end of each Gospel.
Mathew has the urn and concatenated line at the bottom (as in the title to Acts):