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 ↗WORLD COINS · JAPAN · PROOF SET
1991 Japan Proof Set
Heisei 3 · Six-Coin Standard Proof Series
01 SET OVERVIEW
1991 Standard Proof Coinage
The 1991 Japan Standard Proof Set presents Japan’s six standard coin denominations in a specially prepared collector finish. Dated Heisei 3 (平成三年), the set is treated here as one collector product, with separate records for the six proof coins. This independently compiled collector archive is not an official Japan Mint product page.
02 COIN ARCHIVE
Proof Coin Pages
HEISEI 3 · 1991500 Yen ProofPaulownia TypeOPEN ARCHIVE →HEISEI 3 · 1991100 Yen ProofCherry Blossom TypeOPEN ARCHIVE →HEISEI 3 · 199150 Yen ProofChrysanthemum TypeOPEN ARCHIVE →HEISEI 3 · 199110 Yen ProofByōdō-in Phoenix Hall TypeOPEN ARCHIVE →HEISEI 3 · 19915 Yen ProofRice, Water and Gear TypeOPEN ARCHIVE →HEISEI 3 · 19911 Yen ProofYoung Tree TypeOPEN ARCHIVE →
03 ARCHIVE STRUCTURE
Collection Record
CountryJapan
Year1991
Japanese EraHeisei 3 · 平成三年
Set TypeStandard Proof Set
Denominations500 / 100 / 50 / 10 / 5 / 1 Yen
Number of Coins6
Catalogued Set Issue220,000 sets (secondary catalogue)
Archive IDJP-1991-STD-PROOF-SET
QR Short Codejpps91
QR Short URLhttps://metacoinart.com/q/jpps91
The six coins constitute the legal-tender component. Any non-denominated medal is a separate collector-set component, not a seventh coin. Japan Mint annual coin production totals do not equal the number of proof sets issued.
04 SOURCES & REFERENCES
References
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 ↗