>>ABOUT Mar-A-Lago:
https://www.maralagoclub.com/history
>One of the attractions of Mar-a-Lago is the predominant use of Old Spanish tiles throughout. Post acquired approximately 36,000 tiles that had been collected by the late Mrs. Horace Havermeyer in the 1800’s. Among the earliest tiles, dating back to the 15th century, is the “Plus Ultra” tile, translated to “Beyond the Ultimate,” a Roman influence upon the Moors.
Plus ultra (Latin: [pluːs ˈʊltraː], Spanish: [plus ˈultɾa], English: "Further beyond") is a Latin phrase and the national motto of Spain. A reversal of the original phrase non plus ultra ("Nothing further beyond"), said to have been inscribed as a warning on the Pillars of Hercules at the Strait of Gibraltar (which marked the edge of the known world in antiquity), it has metaphorical suggestions of taking risks and striving for excellence. Its original version, the personal motto of the Holy Roman Emperor Charles V, also Duke of Burgundy and King of Spain, was Plus oultre in French.
Worth looking at Spanish and Begium us this phrase
Spanish Coat of Arms
It was emblematic of Marliano's vision of a Christian empire spanning beyond the boundaries of the Old World
https://en.wikipedia.org/wiki/Plus_ultra