I doubt the datestone is actually from 1891, but it's affixed to a building from 1891 and that's fine I guess.
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In downtown Marquette, Michigan, on September 26th, 2024, was the Savings Bank Building (built 1891-1892, 78001507 on the National Register of Historic Places) at the southeast corner of East Washington Street and South Front Street.
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Getty Thesaurus of Geographic Names terms:
• Marquette (7014008)
• Marquette (county) (2000975)
• Upper Peninsula (7016058)
Art & Architecture Thesaurus terms:
• banks (buildings) (300005214)
• banks (institutions) (300410327)
• capital letters (300055061)
• date stones (300374978)
• engraving (action) (300053829)
• historic buildings (300008063)
• purplish red (300126589)
Wikidata items:
• 26 September 2024 (Q69307303)
• 1890s in architecture (Q11185467)
• 1891 in architecture (Q2744651)
• September 26 (Q2885)
• September 2024 (Q61312994)
• Treaty of La Pointe (1842) (Q24694980)