Design side
Rice, water and gear-shaped details surrounding the value 五円.
WORLD COINS · JAPAN · PROOF
1991 Japan 5 Yen Proof
Heisei 3 · Rice, Water and Gear Type
01 IDENTITY
Coin Identity
CountryJapan
Denomination5 Yen
Year1991
Japanese EraHeisei 3 · 平成三年
FinishProof
MintJapan Mint
Issue Format1991 Japan Standard Proof Set
02 PHYSICAL PROFILE
Physical Specifications
CompositionBrass (copper-zinc alloy)
Weight3.75 g
Diameter22 mm
ShapeRound with a central hole
EdgePlain
OrientationMedal alignment ↑↑
03 DESIGN & STORY
Design
Other side
A sprouting plant, 日本国 and 平成三年.
The hole and agriculture-industry motifs are characteristic of this brass coin. Some catalogues reverse the naming of the two sides.
04 ISSUE & MINTAGE
Issue Information
Calendar Year1991
Date Inscription平成三年
Set Issue Quantity220,000 sets (secondary catalogue)
Proof Coin-Only MintageNot independently asserted
The 220,000 figure is a set issue quantity reported by a secondary catalogue; it is not presented as an official Japan Mint proof coin production figure. Official year-date production totals cover other finishes and must not be substituted.
05 COLLECTION RECORD
Archive Information
Archive IDJP-5Y-1991-PROOF-SET
QR Short Codejp5y91ps
QR Short URLhttps://metacoinart.com/q/jp5y91ps
Parent Proof Set1991 Japan Standard Proof Set
06 SOURCES & REFERENCES
References
OFFICIAL SOURCE
Japan Mint · Official Proof Coin Set Description
Official description of the standard six-coin proof set and proof finish, from a modern edition; not evidence of the 1991 issue count.
Open reference ↗OFFICIAL SOURCE
Japan Mint · Year-Dated Coin Production
Official year-date production totals, supplied for context; not an independent proof-set count.
Open reference ↗OFFICIAL INSTITUTION
Bank of Japan · Coin Denominations
Specifications for Japan’s standard circulation denominations. The current 500 Yen version is not the 1991 type.
Open reference ↗SECONDARY REFERENCE
Terashima Coin · 1991 Proof Set Listing
Collector-dealer record JNDA 06-05 for the 1991 standard proof set; reports 220,000 sets and an initial Japan Mint sale price of ¥6,180 (secondary catalogue).
Open reference ↗SECONDARY REFERENCE
Numista · 1991 500 Yen Proof Catalogue
Individual 1991 500 Yen proof entry records 220,000 proof pieces; cross-check for the collector-set quantity, not an official issue record.
Open reference ↗