[...] took place on April, 1954. He says as much a in at least two letters.
I recently found a copy of NEXUS, Vol. 3, No. 2, Issue 15, edited by Jerome Kulek [San Francisco, March-April 1967]. The database and Dorbin show that it contains a poem titled “Tough Luck” (Dorbin C374), but this issue has no Bukowski contribution. Dorbin doesn't cite any page number, so perhaps a copy was not examined...have you ever seen copies of Xenia and Nexus? ;)