Preliminary identification

Banque Nationale de Paris (Anvers) 1 Kilo Silver Bullion Bar by BJA

Photo reference

1 uploaded photo

Overview

A rare, vintage poured 1-kilogram fine silver bullion bar stamped with the mark of Banque Nationale de Paris (Anvers branch) and certified by the BJA (Bureau de Jaugeage et d'Analyse) assayer. This piece features a beautiful, naturally aged golden-gray patina, a unique serial number (106167), and classic poured-mold cooling lines on its edges.

Story

During the post-war reconstruction of Europe, private banks like Banque Nationale de Paris minted custom physical silver bars for their wealthiest clients. This bar was stamped in Antwerp (Anvers), a historic global hub for precious metals and diamonds.

Maker / Origin

The bar bears the stamp of BJA (Bureau de Jaugeage et d'Analyse), a highly respected European assayer and refiner known for certifying high-purity precious metals for major continental banks. Banque Nationale de Paris (BNP), which commissioned this bar, is one of the oldest and most influential banking groups in Europe, tracing its roots back to the mid-19th century.

Condition & Value

The bar is in excellent vintage condition, displaying a gorgeous, untouched golden-brown oxidation (patina) that only develops over decades of storage. There are minor handling marks and soft edge dings consistent with its age and storage, which actually enhance its character.

Full Research

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Sold comps, value drivers, and venue guidance pulled from recent auction results.

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Market Analysis

Comparable demand stays strongest where maker, originality, and venue confidence line up. Broader examples still trade, but the range tightens quickly when provenance, condition, or selling lane fit is missing.

Value Drivers

  • Strong maker attribution with credible period details
  • Better-than-average condition for the category
  • Broader demand rises when presentation and finish feel intact

Concerns

  • Decorative-only demand limits the ceiling
  • Surface wear or missing provenance can compress the range fast
  • Regional sale lanes often underperform specialist venues

Best Venue

Specialty auction or a focused dealer with buyers already in this lane.

Comparable Sales

5 comps
Regional auction· Jun 2024
$1,280

Signed example with light edge wear and original frame.

Dealer archive· Mar 2024
$1,450

Comparable format with stronger provenance and cleaner surface.

Marketplace sale· Jan 2024
$980

Smaller related piece with visible craquelure and trimmed margins.

Estate platform· Oct 2023
$1,150

Period match with softer condition and weaker subject matter.

Auction result· Aug 2023
$1,375

Close market lane comp with similar material and presentation.