This is how the name "Jesus" would have been written in ancient Hebrew documents. The four letters or consonants from right to left are Yod, Shin, Vav, Ayin (Y, SH, OO, A). Jesus is the Greek name for the Hebrew name Joshua or Y'shua which means "The LORD or Yahweh is Salvation".
"That at the name of Jesus every knee should bow, of things in heaven, and things in earth, and things under the earth; And that every tongue should confess that Jesus Christ is Lord, to the glory of God the Father." - Philippians 2:10-11
"That if thou shalt confess with thy mouth the Lord Jesus, and shalt believe in thine heart that God hath raised him from the dead, thou shalt be saved." - Romans 10:9
"And he fell to the earth, and heard a voice saying unto him, Saul, Saul, why persecutest thou me? And he said, Who art thou, Lord? And the Lord said, I am Jesus whom thou persecutest: it is hard for thee to kick against the pricks." - Acts 9:4-5
"He which testifieth these things saith, Surely I come quickly. Amen. Even so, come, Lord Jesus." - Revelation 22:20