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Switzerland Flag Switzerland • CHF (Fr.) • 1974 • KM# 23a.1

Switzerland 1/2 Franc (1974) Specifications

Verify official mint weight in grams, millimeter dimensions, obverse and reverse engravings, and roll weights for the Switzerland 1/2 Franc (1974) coin.

2.20 g
0.0707 oz t
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18.20 mm
1.25 mm Thick
Match Capsule Size
KM# 23a.1
Technical Specs
Inspect Design & Alloy
45,006,000
Roll & Scale Calc
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Numismatic Examination

Obverse, Reverse & Technical Registry

Coin ID #61 • KM# 23a.1
Switzerland Flag
Visual Reference

Coin Imagery & Details

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Obverse Design & Legend

Standing Helvetia facing left holding spear and Swiss shield surrounded by 22 stars / HELVETIA

Reverse Design & Denomination

1/2 Fr. / 1974 / Wreath of oak leaves and alpine gentian flowers

Numismatic Notes & Remarks

Minted in cupronickel after Switzerland ended silver circulation coinage in 1967, this 1974 Swiss 1/2 Franc coin preserves the classic 19th-century Helvetia allegory on a compact 18.2 mm planchet.

Country: Switzerland → Currency: Swiss Franc (Fr. / CHF) Denomination: 1/2 Franc Year: 1974 Shape: Round
Estimate Grade (1–70)
Physical & Metallurgical Data

Official Mint Specifications

Issuing Country Switzerland →
Face Value / Denomination 1/2 Franc
Official Currency Swiss Franc (Fr. • CHF)
Minting Year 1974
Krause Catalog (KM#) KM# 23a.1
Weight (Grams / Troy oz)
2.20 g (0.0707 oz t) Test Mass
Diameter
18.20 mm Fit Capsule
Thickness 1.25 mm
Planchet Shape Round
Edge Type Reeded
Material / Composition Copper-Nickel
Surface Color / Tone Silver
Engraver / Designer Obv: Antoine Bovy | Rev: Albert Walch
Recorded National Mints Swissmint (Eidgenössische Münzstätte) (Bern) [Mint mark: B]
Total Pieces Minted
45,006,000 Grade ROI
Load this coin's exact physical specifications directly into our interactive tools:
Verify 2.20 g Authenticity 18.20 mm Capsule & Flip
Roll Hunter Reference Matrix • 2.20 g / Coin

1/2 Franc (1974) Scale & Roll Weights

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Interactive Scale & Piece Calculator

Enter a coin quantity or type your digital scale reading in grams to calculate exact roll totals:

pcs
g
Total Troy Ounces 1.768 oz t
Total Face Value 12.5 Franc
Quick Check 10 pcs

10 Coins (Short Stack)

22.00 g
Troy Ounces: 0.707 oz t
Weigh 10-Coin Batch
Standard Stack 20 pcs

20 Coins (Half Roll)

44.00 g
Troy Ounces: 1.415 oz t
Weigh 20-Coin Batch
Bank Roll 25 pcs

25 Coins (Standard Roll)

55.00 g
Troy Ounces: 1.768 oz t
Weigh 25-Coin Batch
Bank Roll 40 pcs

40 Coins (Standard Roll)

88.00 g
Troy Ounces: 2.829 oz t
Weigh 40-Coin Batch
Full Roll 50 pcs

50 Coins (Full Roll)

110.00 g
Troy Ounces: 3.537 oz t
Weigh 50-Coin Batch
Roll Hunting 100 pcs

100 Coins (Bulk Bag)

220.00 g
Troy Ounces: 7.073 oz t
Weigh 100-Coin Batch
Specification & Authentication Reference

Switzerland 1/2 Franc (1974) Coin FAQ

The official Switzerland 1/2 Franc (1974) coin from Switzerland (Krause catalog reference KM# 23a.1) has a standard mint weight of 2.20 grams (0.0707 troy oz) and a diameter of 18.20 mm with an edge thickness of 1.25 mm.

Verify 2.20 g Tolerance

Based on a single planchet mass of 2.20 g, a 25-coin bank roll of Switzerland 1/2 Franc (1974) weighs 55.00 grams (1.768 oz t), a 40-coin roll weighs 88.00 grams, and a 50-coin full roll weighs 110.00 grams (excluding paper wrapper weight).

Open Coin Roll Calculator

With an official diameter of 18.20 mm and thickness of 1.25 mm, the Switzerland 1/2 Franc (1974) requires a direct-fit or ring-fit acrylic capsule matched to 18.20 mm. The planchet is struck in Copper-Nickel.

Match 18.20 mm Capsule Size

Have a Stack or Roll of 1/2 Franc Coins on Your Scale?

Enter your total gram measurement into our interactive Coin Weighing Wizard to calculate the exact piece count and total face value.

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