Four spotter cards for recognizing aircraft and submarines during WWII.
.1) illustration of "Submarine Tambor"; description of submarine on back
.2) illustration of "North American B-25 United States; description on back
.3) illustration of "Curtiss XSB2C-A United States; description on back
.4) illustration of "Submarine O Class"; description on back
|Dimensions||H-2.125 W-3.5 inches|