If I had to decipher the phrase, I'd assume it's related to:

5. Customer Service

Hypothesis 2: A Replica Katana from a “Mortal Kombat” Limited Run

In 2018, several licensed prop makers (including United Cutlery) produced high-end replicas of weapons from Mortal Kombat X. While Kitana’s fans were common, a “Babe’s Katana” might refer to a custom piece commissioned for a promotional photoshoot. A small batch of these (50 units) could have been sold via mail order with a special code “05102018” for authenticity.

Most likely, 05102018 was either:

If a mail-order catalog in 2018 wanted to sell a product featuring attractive female models holding samurai swords, they might have used “Babes + Katana” as a category tag.

If you are looking for specific details about the cast or the full video, these are generally cataloged on industry databases:

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