Complex sentence: It had an gladiator-like figure on the front and a wisdom owl on the back, both were designed by Robert Aitken and all Panama-Pacific Half-Unions were minted in San Francisco.
Split into simpler sentences: It had an gladiator-like figure on the front and a wisdom owl on the back. Both coins were designed by Robert Aitken, and all Panama-Pacific Half-Unions were minted in San Francisco.