The Cuba and Puerto Rican flags are very similar : r/vexillology

Union of Puerto Rico-Cuba and Kingdom of Two Dominicas : r/vexillology

Redesigns for Puerto Rico, Cuba, and Catalonia, so they are easier to tell apart. : r/vexillology

Redesigns for Puerto Rico, Cuba, and Catalonia, so they are easier to tell apart. : r/vexillology

Hispanic Flags With Similar Flags from Around the World

What is the history behind the similar flags of Cuba and Puerto Rico? - Quora

Republic of Yucatan flag in the style of Cuba/Puerto Rico : r/vexillology

Flag of United States of Central America : r/vexillology

Every Greater Antillies (Cayman Is., Cuba, Domin. Rep., Haiti, Jamaica, and Puerto Rico) Flag with combinations : r/vexillology

Made some flags for a communist Norway, which do you like better? : r/ vexillology

Cuban/Puerto Rican Friendship Flag : r/vexillology

The best of /r/vexillology — Democratic China/ united Taiwan and China. White