Specifications For Good Delivery Bars

Good Delivery Gold
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
The physical settlement of a loco London gold trade is a bar conforming to
these specifications.

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

•Serial number
•Assay stamp of refiner
•Fineness (to four significant figures)
•Year of manufacture (expressed in four digits)
Good Delivery Silver Bar
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    Minimum Maximum
Length 250mm 350mm
Width 110mm 150mm
Height 60mm 100mm
The physical settlement of a loco London silver trade is a bar conforming to
these specifications:

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.

•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

Good Delivery
Historically, the members of the London bullion market compiled lists of
accredited melters and assayers whose gold and silver bars they would accept
without question in settlement against transactions conducted between each
other and with other acceptable counterparts. Such bars earned the distinction
of London Good Delivery status.

The LBMA Good Delivery List is now widely recognised as representing the de
facto standard for the quality of gold and silver bars, in large part thanks to the
stringent criteria for assaying standards and bar quality that an applicant must
satisfy in order to be listed. The assaying capabilities of refiners on the Good
Delivery List are periodically checked under the LBMA’s Proactive Monitoring

The main requirements to be considered for listing are normally that a refiner

•Have an established track record of at least three years of producing the
refined metal for which the listing is being sought
•Produce a minimum quantity of refined metal per year – 10 tonnes of gold and
30 tonnes of silver
•Have a tangible net worth of at least £10 million equivalent
•Furnish evidence of their ownership structure and directors
•Provide, if required, a suitable letter of endorsement, e.g., from the central
bank or an acceptable commercial bank in their country of operation.
The Good Delivery Rules for Gold and Silver Bars contains a complete
description of the rules governing the specifications for good delivery bars and
the application procedures for listing.
Good Derlivery