I had my artist sculpt all the zodiac symbols in wax, thicker than most charms so it has a little weight to it.. Then my silversmith did his magic.. all are app. 21mm top to bottom and 14mm wide.
I have all the zodiac, see last picture. Left to right
Aries March 21-April 19
Taurus April 20-May 20
Gemini May 21-June 20
Cancer June 21-July 22
Leo July 23-August 22
Virgo August 23-September 22
Libra September 23-October 22
Scorpio October 23-November 21
Sagittarius November 22-December 21
Capricorn December 22-January 19
Aquarius January 20-February 18
Pisces February 19-March 20