Identification guide

Sheffield silver date marks

Sheffield silver uses a crown office device before 1975 and a rose from 1975; its older date letters follow local cycles.

Reading the Sheffield group

The crown-to-rose change helps separate an older letter cycle from the modern shared UK sequence. The maker’s initials remain a separate punch. From 1975 London, Birmingham, Sheffield and Edinburgh use the same sequence; 2025 restarts at A. The letter J is omitted from that modern 25-letter cycle.

Shared UK sequence, 1975–2024

Uppercase letterYearLowercase letterYear
A1975a2000
B1976b2001
C1977c2002
D1978d2003
E1979e2004
F1980f2005
G1981g2006
H1982h2007
I1983i2008
K1984k2009
L1985l2010
M1986m2011
N1987n2012
O1988o2013
P1989p2014
Q1990q2015
R1991r2016
S1992s2017
T1993t2018
U1994u2019
V1995v2020
W1996w2021
X1997x2022
Y1998y2023
Z1999z2024

What to check next

Compare the letter’s case, exact typeface and shield, not just its alphabetic name. A date letter records the assay year. Use the sponsor’s working dates and the other punches to distinguish repeated letters in older cycles.

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