The Nazis did attempt to counterfeit the $1 and $100 bills, but were never successful as they found it impossible to properly replicate the green dye used on American currency. They did produce about £500,000 British £5 pound notes, but never put them into circulation.
This episode marks the first time Wonder Woman uses her tiara as a weapon / boomerang.
Toward the end, when the fake owner is taking an order from a customer, the woman was deliberately made up to resemble the famous "Rosie the Riveter" poster woman.
Set in September 1942 on the USS Haynes in the North Atlantic, Washington, D.C. and the Virginia coast.
Steve's middle name, Leonard, is revealed in this episode.