Roman mosaic, Pont-Chevron

• The symmetry group of the tiling is 4*2 (p4g).
• Contains one regular two-pointed star polygon with vertex angle of 53.13 (204164957π/691692480)°.
• There are one non-regular reflective pairs and no tiles with no mirror image.
• The tiling satisfies the two-colour condition.
• The tiling is edge-to-edge.
• As drawn, contains about 243 polygons.

1. Gallia publication, by H Stern (Mosaics of Pont-Chevron near Ouzouer-sur-Trezee) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]

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