I'm sure there are a million drinks that go by the same name, but I wanted to add my contribution.
2 oz Damrak gin (I don't usually like to specify brands, but it's part of the namesake)
1/2 blackberry syrup
7-8 dashes Peychaud's bitters
1 dash red wine vinegar
Stir over plentiful rocks in a small barglass. Garnish with a brandied cherry if you like.
Damrak calls itself an "Amsterdam Gin", whatever that means, named after a city famous for its red light districts. Peychaud's is found in many New Orleans cocktails, a city equally famous for revelry (less so since the disastrous hurricane, sadly). The red wine vinegar is present to tart things up a bit. Together they produce a delightfully dark and sultry red hue.