Shangas
I'll Lock Up
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- 6,116
- Location
- Melbourne, Australia
This doesn't seem to pass Occam's Razor particularly well. I would assume that it is the contrasting waistcoat shown in some earlier pics, designed to be worn either with morning dress or with a lounge suit.
I agree. I still think this is it's most likely use. That, or it went with a similiarly coloured suit for summer/spring weather.