This card is based on Amy Elizabeth Thorpe, an American World War II spy codenamed "Cynthia", who obtained intelligence by entering romantic relationships with foreign diplomats.
This is the first card in the OCG to depict smoking.
The term "Spy-C" in this card's English and Japanese name is a pun on "spicy". The Japanese name also has another pun, where 華麗 karei, "splendid", has an almost identical pronunciation to カレー karē, "curry", which, accordingly, is spicy.
The word "spicy" in the card's English name may also be regarded as slang meaning "sexually attractive".