Hi Colleen, this is an original floor from the time the house was built (c. 1910). There are companies that make replicas but it depends where you are located — I'm in the United Kingdom so not sure if I'm able to advise you on this.
Try the Original Tile Company - Victorian Floors. They are located in the UK, but there are companies in the U.S. that carry Original Tile Company products.
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beaugeste