Shot from an elevated angle looking down onto Guanajuato's grand Jardín Unión, this vivid chrome card frames two of the city's most architecturally dramatic buildings in one composition: the Teatro Juárez — its neoclassical Doric colonnade topped with bronze Muses — and the ornate churrigueresque façade of the Templo de San Diego immediately beside it, while the sign of the Hotel San Diego is visible at right. A bright orange sedan and dark saloon cars parked in front date the photograph to the early-to-mid 1970s. The card was sold through — and its verso advertising printed for — the Restaurant y Miscelánea Casa Valadez at Jardín Unión No. 3, a venerable Guanajuato institution that still operates today, giving this humble souvenir an unexpectedly direct link to a living landmark. No publisher is credited beyond "Registro Artístico" and catalog number G-554, suggesting a local or regional print run.