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Cherrybook.
Ten Belles

Tumbaga Decaf

Gourmand, Caramel, Chocolat au Lait

MediumDecaf

Cherrybook Index

57sparse

Evidence-of-quality score, not a cup score. Sparse signal: 2 of 7 signals on file. Methodology

Price position

US$2.23/ozEUR 17.00 for 250g

Typical band for this profile $1.46 to $2.88 (Colombia process unlisted decaf lots (other named varieties, retail bags); across markets in stock). Where it sits

Catalog summary

A lot from Antioquia, Colombia, not yet indexed (2 of 7 signals on file) and priced inside the typical band for its listed profile.

Based on the listing and catalog evidence

Buy on Ten Belles

Price and availability set by the roaster.

Roaster’s notes

caramel · milk chocolate

  • Cocoa and nut
  • Sugar and spice
Open the flavor wheel

Mapped from the roaster’s tasting notes to the SCA flavor wheel; Cherrybook’s interpretation of the stated notes, not the roaster’s own categorization.

Tumbaga Decaf by Ten Belles
Producer
Farm / Co-op
Process
Altitude
Varietals
Colombia
Harvest
Weight
250g
Bag price
EUR 17.00
Price / oz
US$2.23/oz
Brew
omni

from the roaster’s storeread by Cherrybook from the listing“estimated” below = inferred, not stated

Price contextmodeled

A modeled range and current prices for comparable listings.

$2.23/oz

typically $1.46 to $2.88

Where it sits

28 Colombia process unlisted decaf lots (other named varieties, retail bags); across markets in stock

typical band this lot

71st percentile of 28 Colombia process unlisted decaf lots (other named varieties, retail bags); across markets in stock right now.

What moves this price

cheaper×1.00pricier
  • Roaster brand and sourcing×1.09
  • Colombia origin×1.05
  • Decaf×0.97
  • Process not listed×0.97

At 250 g, this bag runs about 2% more per ounce than a typical 306 g bag; that is pack size, not the coffee.

How this estimate works

A statistical model, refit weekly across the in-stock catalog, estimates what a coffee with these listed attributes typically sells for per ounce. Each multiplier compares one trait against the average lot in this market; the roaster line covers brand and sourcing together, which this model cannot separate. Bag size is shown separately, priced at the rate observed across sizes of the same coffee, because it says nothing about the coffee itself. The distribution counts every in-stock listing in the comparison group, with at least 15 listings from three roasters and no roaster supplying more than 60% of it. Decaf, blends, variety segments, processing families and bag formats stay separate. Origin, roast and selling currency can broaden as the group label indicates. Prices are converted to USD per ounce; shipping and differences in tax treatment are not adjusted. The model reads listed attributes only: the quality of the specific lot in the bag is not observable, so a price above the typical band is not evidence of overpricing.

Some listing details are missing or have limited model coverage, so the typical band shown is wider than usual.

Not listed by the roaster: process, altitude

Cherrybook Index (CBI)

Evidence-of-quality score, not a cup score. Methodology

57

Sparse signal

Confidence2 of 7 signals on file

Score is heavily shrunk toward 50; treat as a placeholder until more sources arrive.

How confidence affects the score

Coverage measures signal availability, not cup quality. This coffee has 15% of the signal universe on file. Missing sources are dropped, remaining weights are renormalized, and the result is shrunk toward a neutral 50 baseline by 63% so one thin signal cannot carry the score on its own.

The math on file: renormalized base 68.3 shrunk to 56.9 = 57.

Missing: SCA grade, Coffee Review, Reddit sentiment, On-shop ratings, Cherrybook ratings

  • YouTube reviews
    Sentiment from third-party YouTube reviewer mentions
    85/ 67% weight
  • Roaster transparency
    Producer / farm / lot disclosure depth
    35/ 33% weight

Comps & alternatives

Tasting flight

Compare this with three more lots selected from the catalog.

Brew a set side-by-side. The picks vary along axes that pair with this lot; origin, process, roast, or producer; so you learn the difference, not just drink four good cups.

Build the flight

Reference · About the varietal & origin

About Ten Belles

On YouTube

2 videos · 9k combined views

Reviewers and shop tour hosts describe Ten Belles as an established Parisian staple in the 10th arrondissement near the Canal Saint Martin. Outside coverage emphasizes its neighborhood appeal, longevity as a local favorite, and integration of a bakery production space with homemade food offerings.

Parisian staple in the 10th arrondissementPrime location near Canal Saint MartinLongstanding local favorite for ten yearsIn house bakery and pastry productionHomemade sandwich offerings

Ten Belles

US$2.23/oz· EUR 17.00 a bag

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