The reverse of the Great Seal of the United States is less familiar to many people than the obverse, but it is equally rich in symbolism.

1. Pyramid:

• Structure: The central image is an unfinished pyramid with 13 layers, representing the original 13 states and the nation's strength and durability. The pyramid is unfinished, symbolizing the growth and expansion of the nation.
• Roman Numerals: The base of the pyramid is inscribed with the Roman numerals MDCCLXXVI (1776), the year of American independence.

2. Eye of Providence:

• Above the Pyramid: Above the pyramid is the Eye of Providence within a triangle, representing the eye of God watching over humanity. This symbol has its roots in Christian iconography.
• Radiating Light: The eye is surrounded by rays of light, symbolizing enlightenment and divine favor.

3. Mottos:

• "Annuit Cœptis": Above the eye and triangle is the motto "Annuit Cœptis," which translates from Latin as "He (God) has favored our undertakings."
• "Novus Ordo Seclorum": Below the pyramid is a scroll bearing the motto "Novus Ordo Seclorum," meaning "New Order of the Ages," which signifies the beginning of the new American era in 1776.

4. Use and Significance:

• Official Documents: While the reverse of the Great Seal is not used as a physical seal, it appears on the left side of the one-dollar bill.
• Symbolic Representation: The reverse of the Great Seal symbolizes the spiritual, historical, and philosophical values that the United States holds. The imagery of the Eye of Providence and the pyramid conveys themes of divine providence, enlightenment, and the enduring nature of the nation.

In summary, the reverse of the Great Seal of the United States incorporates symbols and mottos that reflect the nation's foundational beliefs, its historical context of independence, and the idea of a new order in the age of enlightenment.