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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryRetail & CommerceArt & Antique TradeZurichMünzenhandlung Erwin Dietrich AG
Münzenhandlung Erwin Dietrich AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Erwin Dietrich AG is the trade in numismatic items, precious metals and jewelry. This includes the purchase and sale of coins, medals, banknotes, gold, silver, platinum, palladium, jewelry, diamonds and other precious metal products. The company also offers online auctions and has a specialized team that advises customers in various numismatic areas.

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Products & services

Industry:Art & Antique TradeRetail - Watches & Jewelry
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Münzenhandlung Erwin Dietrich AG

✓ Offered11
Coins
Coins from around the world in all metals, including Swiss coins before 1850, Swissmint, Schützentaler, as well as ancient, European, American and Asian coins.
Banknotes
Banknotes for collectors, with selections by Switzerland, Europe, America, Asia, Australia as well as Africa and the Arab region; also new items and singles.
Medals
Medals for collectors, including Swiss medals, Schützenbecher and other collecting areas with historical and arts-and-crafts motifs.
Non-valeurs
Non-valeurs such as shares and bonds, including replaced or worthless securities from Switzerland, Europe and America.
Jewellery
Jewellery as well as buying scrap gold, including jewellery, scrap gold and dental gold, with immediate payout or bank transfer.
Diamonds
Diamonds and diamond purchases, including small gemstone purchases as well as the purchase of diamonds.
Accessories
Accessories for coins and banknotes such as albums, cases, suitcases, boxes, capsules, coin boxes, magnifiers, scales and note-testing devices.
Literature
Coin catalogues, auction catalogues and numismatic literature for Switzerland, Europe, America, Asia and world catalogues.
Bullion prices
Gold, silver, platinum and palladium prices as well as selling and buying prices for bullion coins, updated daily.
Online auctions
Online auctions for modern coins, medals and banknotes with registration, pre-bids, live auction and auction archive.
Buyback of scrap gold and silver
Purchase of scrap gold, silver, silverware and dental gold as well as coins, medals, banknotes, diamonds and non-valeurs; with price lists and immediate payment.
Trust & reputation

ranQ Trust Score of Münzenhandlung Erwin Dietrich AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 100% · As of October 2026

Münzenhandlung Erwin Dietrich AG scores 80.0 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.65.024%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.100.010%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.100.08%
Münzenhandlung Erwin Dietrich AG scores 85.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.55.07%
Münzenhandlung Erwin Dietrich AG scores 86.7 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).86.722%
Münzenhandlung Erwin Dietrich AG scores 36.7 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.60.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.13.34%
Qualifications+0.00

Münzenhandlung Erwin Dietrich AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.3 out of 5 stars from 228 customer reviews. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.3
of 5

Aggregated from 228 reviews across all connected sources

Sources
GGoogle4.3228
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Press

Media

January 26, 2026Media
Goldvreneli verkaufen: Experte warnt vor diesen Tricks
beobachter.ch
March 1, 2025Media
Wir Sind Blick: Fabio Luraschi (57) ist Numismatiker
blick.ch

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Location

Werdmühleplatz 4
8001 Zurich
Opening hours
Mon
13:00 - 18:00
Tue
10:00 - 18:00
Wed
10:00 - 18:00
Thu
10:00 - 18:00
Fri
10:00 - 18:00
Sat
10:00 - 16:00
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.849.445
Founded
1984 · 42 years
Last commercial register change
January 21, 2025
Employees
1 to 10
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.100.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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