3 x Vintage FT-243 Radio Crystal Module Unit Military USA 4495 4852.5 5892.5 WW2

This auction is for three Vintage FT-243 Radio Crystal Module Units. They are 4495 4852.5 and 5892.5.   I believe these date from WW2 and are US Military.  

The crystals are very old and untested so are being sold as non -working collectables only please.. 

Please see photos for details.. Thankyou for looking at this auction..