Metzger - uncials "the easiest ancient style fo imitate" - Vaticanus and Sinaiticus

[Steven Avery]

Reminiscences of an Octogenarian
Bruce Manning Metzger
https://books.google.com/books?id=W8RxfQMJWScC&pg=PT101

And for the script:

Kline copied on ordinary paper the style of Greek script from photostats of various New Testament Greek manuscripts. Finally he chose the fourth-century Codex Vaticanus as his model. This is written in uncial letters, the capital letters of the Greek alphabet, and therefore the easiest ancient style to imitate.