VINTAGE COLLECTORS CRYSTAL
Manufactured by ATE & Co in June1956 to military specifications (XWD marked, 'arrow' marking on top of the can), these haven't seen the light of day for ages !
As new and in nice collectors condition, vintage 6200 Kc/s frequency plug in crystal, marked ZA 35225.
Priced and supplied each, x1, supplied as shown in the photo.