
Remaining pages feature a mix of male and female portraits, likely family members and studio stock images. Gem-sized photos were an innovation of the 1860s - small albumen prints or tintypes cut from multi-image plates. Many albums were preloaded with portraits of Union generals or politicians, while buyers could add their own family images.
Your example is a hybrid type - it includes a generals page and several pages of private citizens, making it both a historical collectible and a personal relic of the period.