The coat of arms in relief above the gate is the coat of arms of the kingdom of Castilla y León from the 16th century.
"Quarterly: 1 and 4 Gules, a castle triple towered Or, port and windows Azure, masoned Sable; 2 and 3 Argent, a lion rampant Purpure, armed and langued Gules. Crest: An open royal crown "
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