I think the author refers to "It's a duesy", which refers to the brand Duesenberg [0], once the builder of the most luxurious cars on the planet, now very rare

I think the author refers to "It's a duesy", which refers to the brand Duesenberg [0], once the builder of the most luxurious cars on the planet, now very rare and very valuable collectables. [0] https://en.wikipedia.org/wiki/Duesenberg https://en.wikipedia.org/wiki/Duesenberg