Country: United Kingdom, Queen Elizabeth II (1952-date)
Type: Standard Circulation coin
Years: 1958 (1954-1970)
Value: 1 Shilling = 12 Pence (1/20 GBP)
Metal: Copper-Nickel
Weight: 5.5 g
Diameter: 23.5 mm
Thickness: 1.7 mm
Shape: Round
Grade: VF35
Mintage: 40,822,500
Orientation: Medal alignment ↑↑
Demonetized: 12-31-1990
References: KM# 905, Sp# 4148

Obverse:
Young laureate portrait of HM Queen Elizabeth II facing right, legend around.

Note: no 'BRITT:OMN'

Lettering:
ELIZABETH·II·DEI·GRATIA·REGINA +
M·G·

Translation: Elizabeth the Second by the Grace of God Queen

Engraver: Mary Gillick

Reverse:
Crowned Scottish shield of arms dividing date, legend above, denomination below.

Lettering:
FID DEF
19 58
W G
ONE SHILLING

Translation: Defender of the Faith

Engraver: William Maving Gardner

Edge:
Reeded

Comments:
The original weight of these coins was 2/11 troy ounce (87.3 grains). Under the Coinage Act of 1946, the composition changed from .500 silver to .750 copper/.250 nickel but the weight remained at 87.3 grains.