Measurements: diameter 21.75 mm, weight 4.80 g
Material: cupro-nickel.
Struck in 2005 by Royal Mint (United Kingdom).
Artists: Valdis Villeruss (graphic design), Ligita Franckevica (plaster model).
Obverse
The large coat of arms of the Republic of Latvia, with the year 2005 inscribed
below, is placed in the centre. The inscriptions LATVIJAS and REPUBLIKA, each
arranged in a semicircle, are above and beneath the central motif, respectively.
Reverse
The rooster on the spire of St. Peter's church in Riga is featured in the upper
part of the coin. The numeral 1, with the inscription LATS in a semicircle on
the right, is arranged in the lower part.
Edge
Two inscriptions LATVIJAS BANKA (Bank of Latvia), separated by rhombic dots.