UK 25 Pence Silver Jubilee 1977

The UK 1977 Silver Jubilee 25‑Pence coin is one of the most iconic modern British commemoratives—large, bold, and created to mark a historic milestone: 25 years of Queen Elizabeth II’s reign. It was issued by the Royal Mint as part of nationwide Silver Jubilee celebrations, which included street parties, parades, and a wave of royal memorabilia. Though legal tender, it was never intended for circulation, and most people kept theirs as souvenirs.

🪙 Key Specifications

• Issuer: United Kingdom

• Year: 1977

• Denomination: 25 New Pence

• Composition: Copper‑nickel (standard issue)

• Weight: 28.28 g

• Diameter: 38.61 mm

• Thickness: 3.2 mm

• Shape: Round

• Mintage: 37,061,160 (cupronickel); 193,000 BU; 377,000 silver proofs

Although most examples are base‑metal, a sterling silver proof version was also issued, containing 0.925 silver and weighing 0.841 troy ounces, making it the more valuable collector variant.

👑 Obverse Design

Designed by Arnold Machin, the obverse shows Queen Elizabeth II on horseback, dressed in the uniform of the Household Cavalry. This equestrian portrait echoes the 1953 Coronation Crown and symbolizes continuity and royal ceremony. The inscription reads: ELIZABETH·II DG·REG·FD 1977 (“Elizabeth II, by the Grace of God, Queen, Defender of the Faith”).

🌟 Reverse Design

Also by Arnold Machin, the reverse features:

• The Crown of St. Edward

• The ampulla and golden coronation spoon (used in the anointing ritual)

• Surrounding heraldic flowers of the United Kingdom

This design emphasizes the sacred and ceremonial aspects of monarchy, tying the Jubilee to centuries of coronation tradition.

🧭 Historical Context

The Silver Jubilee marked 25 years since Queen Elizabeth II’s accession in 1952, celebrated across the UK with national events, souvenirs, and commemorative issues. The Royal Mint continued the tradition of issuing a crown‑sized coin for major royal occasions, updating the old five‑shilling crown to the decimal 25‑pence denomination.

UK Size	US Size	EU Size	Inside Diameter (mm)	Inside Circumference (mm)
A	0.5	38	12.04	37.8
B	1	39	12.45	39.1
C	1.5	40	12.85	40.4
D	2	41	13.26	41.7
E	2.5	42	13.67	43.0
F	3	44	14.07	44.2
G	3.5	45	14.48	45.5
H	4	46	14.88	46.8
I	4.5	47	15.29	48.0
J	5	49	15.49	48.7
K	5.5	50	15.90	50.0
L	6	51	16.31	51.3
M	6.5	52	16.71	52.5
N	7	54	17.12	53.8
O	7.5	55	17.53	55.1
P	8	56	17.93	56.3
Q	8.5	57	18.34	57.6
R	9	59	18.75	58.9
S	9.5	60	19.15	60.2
T	10	61	19.56	61.4
U	10.5	62	19.96	62.7
V	11	64	20.37	64.0
W	11.5	65	20.78	65.3
X	12	66	21.18	66.6
Y	12.5	67	21.59	67.9
Z	13	68	21.99	69.1
Z+1	13.5	69	22.40	70.4
Z+2	14	70	22.81	71.7
Z+3	14.5	71	23.21	72.9
Z+4	15	72	23.62	74.2