The binoculars on offer to you as shown in the pictures, are a WW2 Royal Navy Barr & Stroud version with the wind out shades. Ensure the fans that make up the shades wind out smoothly and in tact. Sadly the paintwork appears to have suffered the dreaded salt water attack and chipped around the eyepiece end and a few operational chips appear in the second shot. Again just check that you don't have too much white "chalky" powder "dried salt water" laying under the laminate of the binos as this is , over time very corrosive.
If you can focus and look through the optics with no loss at all or evidence of internal aging, they are still a worthwhile pair of WW2 binos to own. The War Department Crows feet can be easily restored with a careful hand and bright yellow paint, as can the neck straps.......................Good luck and let us all know how you get on.