Good Delivery Gold – Silver Bullion Bars


Good Delivery Gold – Silver Bullion Bars


Specifications for Good Delivery Gold and Silver Bars as set forth by the London Bullion Market Association (LBMA)

Good Delivery Gold

The gross weight of a bar should be expressed in troy ounces, in multiples of 0.025, rounded down to the nearest 0.025 of a troy ounce.

Fineness: the minimum acceptable fineness is 995.0 parts per thousand fine gold.

Marks:

  • Serial number
  • Assay stamp of refiner
  • Fineness (to four significant figures)
  • Year of manufacture (expressed in four digits)
  • Minimum gold content: 350 troy ounces (approximately 10.9 kilograms)
  • Maximum gold content: 430 troy ounces (approximately 13.4 kilograms)
  • Recommended dimensions (approximately)
  • Top Surface 255 × 81 mm
  • Bottom Surface 236 × 57 mm
  • Thickness 37 mm

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Good Delivery Silver Bar

The gross weight of a bar should be expressed in troy ounces in multiples of 0.10, rounded down to the nearest 0.10 of a troy ounce.

Fineness: the minimum acceptable fineness  is 999.0 parts per thousand silver

Marks:

  • Serial number
  • Assay stamp of refiner
  • Fineness, expressed to either three or four significant figures
  • Year of manufacture (expressed in four digits)
  • Optionally, the weight, which, if included, may be shown in either troy ounces or kilograms
  • Minimum silver content: 750 troy ounces (approximately 23 kilograms)
  • Maximum silver content: 1100 troy ounces (approximately 34 kilograms)
  • Minimum fineness: 999.0 parts per thousand silver
  • Recommended dimensions (approximately)
    Length 250mm-350mm
    Width 110mm-150mm
    Height 60mm-100mm