There has never been a Czech embassy in New Orleans, for the very good reason that New Orleans has never been a national capital. I doubt very much that there was ever even a Czech consulate.
“I doubt very much that there was ever even a Czech consulate.”
https://www.embassypages.com/czechrepublic-consulategeneral-neworleans-unitedstates
Now you have me rethinking that visit by OSI. I never questioned the veracity of the visit.