Remember, if you haven't used our clues pages yet, check out the instructions here to learn how they work and how to best utilize them. 

4a.jpg

Hint 1

You'll want to start by translating the text.

Hint 2

In English, it reads: "Measure what is measurable, and make measurable what is not so."

Hint 3

This text is telling you what to do with the differently sized letters.

Hint 4

Analyze each line separately (except the 3rd line, which has no oddly sized letters).

Solution

Final Solution: If you arrange the too-large letters from largest to smallest, the two lines read:
MARCUS ELDER

Blowback Random.jpg

Hint 1

Well, it must be an alphabet, but it's not a language I recognize...

Hint 2

...at least not a language of this planet.

Hint 3

The moon will illuminate your path.

Hint 4

Search for a few moon-themed scripts.

Solution

Final Solution: This is the "Moon" alphabet, developed by William Moon. The plaintext reads: "The Ourorobos has a mole in the CIA, he goes by the codename Manticore."

4c.jpg

Hint 1

Well, Sole is Italian for "Sun..."

Hint 2

Eight lines... and eight planets.

Hint 3

But they may not be the planets' names in English.

Hint 4

If 1 is the first letter in the solution, then the first letter is A.

Solution

Final Solution: The planets, in Italian, are:
Mercurio
Venere
Terra
Marte
Giove
Saturno
Urano
Nettuno
Taking the letters marked by numbers and ordering them numerically gives us: AUSTIN.

4d.jpg

Hint 1

Just like the other stamps, this will be more useful later.

Hint 2

They are also solved in a similar way.

Hint 3

What are these words in Italian?

Solution

Final Solution: "Pear" and "Brooms" in Italian become "Pera" and "Scope" which, combined, become "Periscope."