By 1988 , she developed her first wall installations .
The acknowledgement of Spero 's international status as a preeminent figurative and feminist artist was signaled in 1987 by her traveling retrospective exhibitions in the United States and United Kingdom .
By 1988 , artist developed artist 's first wall installations .
The acknowledgement of Spero 's international status as a preeminent figurative and feminist artist was signaled in 1987 by her traveling retrospective exhibitions in the United States and United Kingdom .