Keystone Submarine

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Keystone Submarine
Keystone Submarine

This is one of the mid sized Keystone subs it is not as large as the U-18’s but much larger than the S3’s.  It measures 14″ x 2.5″.  There is only one torpedo tube and it is smaller than the U-18’s.  The projectile it fires is the same that is used with any of the ships.  I have seen a few of these but cannot specifically date it yet.  The sub does not appear in any of the catalogs prior to 1943 or after 1951 so at this point I would say late 1940’s.

From my private collection.

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