Stir and strain over fresh ice or a large cube in a rock glass. Garnish with orange slice.
Difford's Website notes that this was adapted from a drink by Jason E. Clapham in Oxford England in 2020. Clapham's cocktail called for 60ml Plantation Xaymaca Jamaican Rum, 7.5ml King's Ginger, and 22.5ml Montenegro.
Difford's Guide. https://www.diffordsguide.com/cocktails/recipe/5441/hunters-verdict