That looks exactly like the Flash Matic but without the remote parts.
The sellers listing is incredibly pompus.
"What is patina? If an object is described as having a fine patina it's usually meant as a compliment. If something is said to lack patina, it usually means the object lacks character. Patina is everything that happens to an object over the course of time."
But hey, they're a "Top 1000 Reviewer" so what do I know.