Brick lines

I don´t reveal the title yet. I want you to look at it without any hints.

Yesterday I worked from 8 am until 9 pm and today 8 am to 6 pm and now I have to rest whole weekend.

Have a nice one!

EDIT: Now I´ve written the title and this is just a little part of ONE brick stone that there are carved lines in before the burning. And here are the same kind of bricks but overlaid with silver.