Hallmarking on Gold and Silver Jewellery and Artefacts - Part Il

Описание: A. (From 01 January 2017)
Gold Hallmark consists of the following

BIS Mark Purity in carat and Fineness (it can be any of the following)
1) 22K916 Corresponding to 22 Carat
2) 18K750 Corresponding to 18 Carat
3) 14K585 Corresponding to 14 Carat
Assaying/Hallmarking Centre’s Identification Mark/NumberJeweller’s Identification Mark/number

(Before 01 January 2017)Gold Hallmark consists of the following

BIS MarkPurity in carat and Fineness (it can be any of the following)
958 Corresponding to 23 Carat
916 Corresponding to 22 Carat
750 Corresponding to 18 Carat
708 Corresponding to 17 Carat
585 Corresponding to 14 Carat
375 Corresponding to 9 Carat
Assaying/Hallmarking Centre’s Identification Mark (one of the logos as displayed on BIS website)Year of marking – denoted by a code letter e.g.
‘A’ for the year 2000 ‘B’ for the year 2001
‘C’ for the year 2002 ‘R’ for the year 2013
Jeweller’s Identification MarkA.

B.(From 01 January 2017)
Silver Hallmark consists of following


Purity grade/fineness(it can be any one of the following)


Grade Fineness
9999 Fine Silver 999.9
9995 999.5
999 999.0
990 Silver alloys 990.0
for jewellery
artefacts
970 970.0
925 925.0
900 900.0
835 835.0
800 800.0

Assaying/Hallmarking Centre’s Identification Mark/Number
Jeweller’s Identification Mark/number


(Before 01 January 2017)
Silver Hallmark consists of following

BIS MarkPurity grade/fineness (it can be any one of the following )
Grade Fineness
9999 Fine Silver 999.9
9995 999.5
999 999.0
990 Silver alloys 990.0
for jewellery
artefacts
970 970.0
925 925.0
900 900.0
835 835.0
800 800.0

Assaying/Hallmarking Centre’s Identification Mark (one of the logos as displayed on BIS website)Year of marking – denoted by a code letter e.g.‘R’ for year 2013Jeweller’s Identification Mark