That's the same pose as
Aphrodite of Praxiteles though September Morn is way prettier.
OB dogs...mine loved swimming in Lake Winnepesaukee. We'd take off in the canoe and she'd swim after us. She loved riding in the canoe, too. What a goof!
That looks more like the Medici Venus than the Praxiteles Aphrodite (Cnidian Aphrodite), the original of which was lost in 475. The one in the Vatican is considered the best copy:
Here's the Medici Venus:
I'm sure the September Morn artist was well aware!