100 oz Engelhard Silver Bar .999 Fine 6th Series P Serial Prefix (K Prefix Anomaly, LQ Rotary Dial)

100 oz Engelhard Silver Bar .999 Fine 6th Series P Serial Prefix (K Prefix Anomaly, LQ Rotary Dial)

Add a true rarity from the golden age of bullion refining to your collection with the 100 oz Engelhard Silver Bar .999 Fine – 6th Series P Serial Prefix (K Prefix Anomaly, LQ Rotary Dial). Struck during Engelhard’s classic production era, this large-format silver bar contains 100 troy oz of .999 fine silver and features serial characteristics that make it especially desirable among advanced Engelhard collectors.

This bar belongs to the 6th series with the “P” serial prefix, a well-documented Engelhard production run. What sets this example apart is the presence of a letter “K” prefix stamp anomaly, an unusual variation believed to have resulted from the use of a rotary dial stamping process. In some cases, faint impressions resembling the letters “L” and “Q” can be observed beneath or near the “K,” suggesting partial or misaligned dial transitions during stamping. These anomalies are highly sought after, as they offer a tangible glimpse into Engelhard’s manufacturing process and add a distinct layer of numismatic intrigue beyond standard bullion bars.

Product Features:

• Contains 100 troy oz of .999 fine silver
• 6th Series Bar
• Produced by Engelhard Corporation
• Bars are securely packaged for safe delivery
• Obverse: Features the Engelhard logo along with the weight, purity, and serial number.
• Reverse: Intentionally left blank.

A Discontinued Silver Bar with Collector Appeal

Engelhard silver bars are no longer produced, and each surviving example represents a finite piece of bullion history. As one of the most respected precious metals refiners of the 20th century, Engelhard set industry standards for purity, weight accuracy, and trust. With production permanently ended, vintage Engelhard bars—especially those with documented serial anomalies—continue to grow in collector demand. The combination of heavy silver weight, iconic branding, and unique serial characteristics places this bar firmly in the category of elite vintage bullion.

The 100 oz Engelhard Silver Bar .999 Fine 6th Series P Serial Prefix (K Prefix Anomaly, LQ Rotary Dial) is more than a bullion investment—it is a documented piece of refining history. With its substantial silver content, discontinued production, and rare serial irregularities, this bar stands out as a centerpiece-worthy acquisition for collectors and investors who value both metal and provenance. Investors can also review the live spot price of silver for 100 oz bars to help assess pricing and make informed purchasing decisions.

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