6.2 Mirrors
Mirrors come in 4 varieties:
7009.91.1000, Glass mirrors, unframed, reflecting area not over 929 cm2; Duty: 7.8%
7009.91.5000, Glass mirrors, unframed, reflecting area > 929 cm2; Duty: 6.5%
7009.92.1000, Glass mirrors, framed, reflecting area not over 929 cm2; Duty: 7.8%
7009.92.5000, Glass mirrors, framed, reflecting area > 929 cm2; Duty: 6.5%
graphic  graphic    graphic
Frameless                                          Framed
Mirrors can come in assortments and depending on the sizes included may require reporting multiple HTS codes. Such as:
graphic  
All small mirrors: 7009.92.1000
Sometimes a mirror isn't a mirror when the essential character is provided by another dominant feature. Such as when it's a shelf.
graphic
4420.90.8000, which provides for wooden articles of furniture not falling within chapter 94. The rate of duty will be 3.2%.
Also, mirror material matters, if it is plastic instead of glass then: 3924.90.5500, which provides for...other household articles..of plastics: other: other. The rate of duty will be 3.4 percent ad valorem.