The Military Order of the Tower and Sword, Valour, Loyalty, and Merit described here has the notable absence of its collar chain, which traditionally accompanies the badge as part of the full set. 
Key Features of the Badge
Dimensions:
72.83 x 62.55 mm, a substantial size that conveys its prominence.
Obverse Design:
Five-pointed white enamel star with tipped finials.
Surrounded by a green enameled laurel wreath.
Central medallion:
Sword: Represents valor and justice.
Encircled by a blue enamel ring with the inscription:
VALOR LEALDADE E MÉRITO (Valor, Loyalty, and Merit).
Reverse Design:
Central medallion:
Open book, symbolizing knowledge and the rule of law.
Encircled by a blue enamel ring with the inscription:
PELO REI E PELA LEI (For the King and for the Law).
Materials:
Silver and enamel, with intricate detailing.
Significance of the Badge
Even without the collar chain, the badge remains a powerful emblem of Portugal's history and an important artifact of its military and chivalric traditions.
It is a testament to the order's rich legacy, celebrating acts of bravery, loyalty, and service to the state.
Condition Notes
Enamel Damage: The blue enamel shows minor chipping, a common issue in older badges due to the fragility of the material.
Missing Collar Chain: The absence of the collar chain reduces the ceremonial completeness, but the badge itself remains highly collectible.
The Military Order of the Tower and Sword from the Kingdom of Portugal is a powerful emblem of bravery, loyalty, and service. Despite the missing collar chain and enamel damage, its historical significance and exquisite craftsmanship make it an invaluable artifact of Portugal's rich heritage. It symbolizes not only the nation’s storied past but also the timeless values of courage and dedication that it continues to honor.