In a historical or sociological sense, the term describes a woman who lists herself in catalogs to be selected for marriage by men from other countries. Mail-Order Bride by Debbie Macomber - Goodreads

"Mail Order Bride" is also the title of various creative works:

If you are looking for a physical "piece" or collectible, there are several artistic items themed around this concept: : A notable piece is the Vintage Mail Order Bride Plate Go to product viewer dialog for this item.

from the Southwest Arts Foundation, are available for collectors.

by artist (Plate #1498), which is a 10.25-inch round decorative plate.