Following the early post prohibition launch of Legendre Absinthe, the F.A.C.A. "requested" that J.M. Legendre change the name of Legendre Absinthe, to a name that would better fit the Federal regulations, so Legendre Herbsaint, became the new name for Legendre Absinthe.
March 1934 New Orleans
U.S. Trademark Document
Original 1934 Unused Herbsaint Label
