‹Foursquare Isonomy 17 Year Old, Bourbon Cask, Mark XX, 2022, 58%
Foursquare

Foursquare Isonomy 17 Year Old, Bourbon Cask, Mark XX, 2022, 58%

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Catalog product detail, market evidence, tasting notes, reviews, and collection actions.

TypeRum
MRI
MRI 3
Average Score
Avg 87
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Description

Foursquare Isonomy Mark XX is the twentieth release in the Exceptional Cask Selection series from Foursquare Rum Distillery in Barbados. Aged for 17 years in ex-bourbon American oak casks, this single blended rum is a blend of copper double retort pot still and continuous twin column still distillates, bottled at cask strength (58% ABV) without chill filtration, colouring, or additives.

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LatestSGD 188
HighSGD 188
LowSGD 188
SGD 288SGD 222SGD 155SGD 88Price (SGD)Observed dateSep 1Sep 1 - SGD 188 - Whisky.Auction - Sep 1, 2026

Recently Sold

Listed value is based on sold auction prices and inclusive of auction fees (not including tax and shipping).

Whisky.AuctionAuction Sold Price - Sep 1, 2026SGD 188.24
View historical records and sources (1)

Historical source records, not current purchase offers or a guaranteed market value. Fees, taxes and condition may differ.

Historical market records for Foursquare Isonomy 17 Year Old, Bourbon Cask, Mark XX, 2022, 58%
DateAmountRecord typeSource
2026-09-01GBP 95Auction resultWhisky.Auction
Type
Rum
Region
Saint Philip
Age
17 Years
Vintage
N.A
Bottled
2022
ABV
58%
Volume
70cl
Distillery
Foursquare
Origin
Barbados
Cask type
Bourbon Cask
Bottling
Official Bottling
Peated
N.A
Single cask
No
Non-chill filtered
Yes
Cask origin
N.A
Cask no.
N.A
Batch
Mark XX
PPM
N.A
Barley
N.A
Fermentation
N.A
Master distiller (bottling)
Richard Seale
Master distiller (distillation)
Richard Seale
Limited edition
Yes
Bottle count
N.A
Has box
No
Closure
Cork
Presentation
N.A
Series highlights
Exceptional Cask Selection
Historical context
N.A
Special release
N.A
Allocation
N.A
Nose
Coconut, vanilla, ripe peach, pineapple, mango, sultanas, Seville orange, and a touch of crisp mint and dark chocolate.
Palate
Sweet rush of toffee, maple syrup, milk chocolate, rich dates, raisins, walnuts, and underripe pineapple.
Finish
Long, toasty, and warming with oak, green tea, bitter chocolate, black cherry, and cloves.
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