Red · Stellenbosch · South Africa
Post House Penny Black
Scored from 442 calibrated Vivino reviewers, each re-centered on their own rating baseline before the bottle is ranked. Cohort: Red · South Africa (132 wines).
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What reviewers say
“📌: Von Post House (ehemalige Poststation) Wines (1981). Stellenbosch/🇿🇦. Mit Anspielung auf die erste Briefmarke der 🌍. Trockene Cuvée aus MER, CS, SYR, PV & CB (!). Biodynamischer Anbau. Unfiltriert. 👁: Dunkle rote Tinte mit pinken Reflexen.”
From a top-rated Vivino review for this bottle.
Summary
An elegant wine with a soft entry but with a firm but supple finish. Dark inky black colour. Initial nose of floral petals, also of fynbos (South African heath), blackcurrant, fruitcake, white pepper and spice. Rounded tannins and ample fruit results in a layered and complex wine.
From Stellenbosch in South Africa, Post House Penny Black is a red. It blends Cabernet Sauvignon, Chenin Blanc, Petit Verdot, Shiraz Syrah and Merlot.
442 Vivino reviewers rate with enough spread for a personal baseline to be measured, and those are the ones the calibrated score reads; a separate, broader pool of 455 reviewers with at least two ratings each feeds the raw-average track. 131 other reds from South Africa form the cohort it is ranked inside.
How the score was built
We compare the reviewers of this bottle against every other wine those same people reviewed. Each review is scored relative to the reviewer's own baseline — four stars from someone who hands out fives means something very different from four stars from someone who rarely goes above three. Every reviewer then counts the same, so the result is a calibrated consensus rather than a star average.
- Global percentile
- Where Post House Penny Black lands against every wine we rank.
- In-cohort percentile
- The same comparison narrowed to its cohort — wines of the same type from the same country. A Chilean red is judged against Chilean reds, not against Champagne. Ranked against Red · South Africa (132 wines).
- AI-adjusted percentile
- The same reviewer-normalized score, corrected for how much confidence the sample supports: thin samples are pulled toward the corpus average. Each wine keeps the share n / (n + 53) of its measured distance from the average, where n is its calibrated-reviewer count, and the result is ranked on the same scale as the global percentile.53 is the median sample size across everything we rank. Here n is 442.
