19th c. shellwork sailor’s valentine shadowbox dioramas. Both feature picture window frames; one with print of sailing ship measuring 8-7/8″ dia. and the second with print of Spanish-American War era ship believed to be the cruiser USS Columbia measuring 8″ x 8 1/2″. Both have foreground arrangement of shells, coral and seaweed. Frames decorated with rings of shells. Overall good condition with minor shell losses and dust.