Vintage Navy Uniform Shirt Top Blue Cracker Jack Men USN Naval Service

Vintage Navy uniform top. Wool pullover shirt. No tags or size marked, see photos for measurements. It's pretty small. I'm not sure of the item's age / era. Photos provide the best description, so please zoom in to get an idea of the size and condition. Check out my store for more military collectibles. I'm happy to combine shipping if possible. Thanks for looking!