Originally issued in sealed plastic as pictured below.ġoz example produced in 1982 by Johnson Matthey for Spectronic Superstar. Please note the varied serial number assignments, spanning from a five-digit and six-digit non prefix to the R-prefix examples noted in the next column.ġoz example produced by Johnson Matthey in exceedingly rare blank reverse variation. Some examples were issued in plastic and includes assay certificates, pictured below. It appears that when 999,999 was hit, an ‘R’ prefix was used with a 5-digit number, for example ‘R 01234′. This difference in font boldness may be seen in the comparison photo below. Also, it appears that there was a slight redesign on the obverse, making the lettering and lines slightly thicker, somewhere between 297,000 to 639,000. It seems that they are very similar, yet not always identical. The reverse of these bars are not always aligned exactly the same. ġoz example first produced in 1982 by Johnson Matthey. Issued in presentation case, pictured below. ġoz example produced in 1980 by Johnson Matthey to commemorate a Canadian related 50th Anniversary. This variety is known to have been produced in gold but All Engelhard was surprised to see one in silver.

Įxceedingly rare 1oz example produced in 1979 by Johnson Matthey for The Trojan Bar.

Some examples have a serial assignment error, in that it was stamped with a letter ‘A’ prefix over the leading number 1 serial number. Older example with FINE and SILVER on two separate lines. ġoz example first produced in 1979 by Johnson Matthey. Johnson Matthey | Johnson Matthey & Mallory: Definitive Page at this LINK to review examples produced by the historically important Canadian representative of Johnson Matthey & Mallory. Please be sure to visit our Western Mint, Inc. We hope you welcome this new addition, and we look forward to your thoughts and input! As such, we appreciate the opportunity to present important bullion information on another of the world’s most collectible refiners, Johnson Matthey. While our focus is clearly Engelhard, we recognize that many Engelhard bullion collectors also collect Johnson Matthey bars and ingots. ALL ENGELHARD is pleased to welcome visitors to our Johnson Matthey 1oz Definitive Page.

Johnson matthey 100 oz silver bar