The mark consists of a blue rectangle with a design of leaves arranged as a fan in blue and grey in the top left and right corners of the rectangle. A white geometric figure appears inside of the rectangle with a grey line around the edge of the figure with the wording "PREMIADO EN LAS EXPOSICIONES" appears in blue stylized letters at the top with the design of five blue and grey medallions underneath between the curved lines of the geometric figure. The wording "DE BUFFALO" appears below the medallions on the left and "CHARLESTON" appears below the medallions on the right, all in grey stylized letters. The wording "RON DEL BARRILITO" appears under the medallions above the wording "BRAND" centered above the words "CALIDAD EXTRA", all in blue stylized letters. A blue cherub standing with its legs spread out behind a blue wood barrel which covers the central part of its body appears underneath the wording. The left arm of the cherub is lifted and with its left hand the cherub is holding a glass. The cherub appears over a figurative design of a cloud and many stars and dots. On the left side of the cherub appears a blue and grey stylized letter "P" followed by a period and on the right side of the cherub appears a blue and grey stylized letter "F" with a period. To the left of the letter "P" and to the right of the letter "F" appears small plants with flowers and leafs and curved branches with leafs, all in the color blue. The terms "750 ML", "43% alc./VOL." and "(80° Proof)" appears in the color blue. The wording "PREPARED AND" appears on the bottom left and "BOTTLED BY" appears on the bottom right above the wording "EDMUNDO B. FERNANDEZ, INC." with the wording "BAYAMON - PUERTO RICO 00960-0038" underneath, all in blue stylized letters above the wording "PUERTO RICAN RUM" in grey stylized letters. The white in the background is claimed as a feature of the mark.