Early on the NID Field Grade didn't have the stars --
![[Linked Image from i.imgur.com]](https://i.imgur.com/4DOBz1v.jpg)
Sometime during 1927, the boys & girls in the factory began putting the stars on the Field Grade NID, but the folks in the office didn't add the stars to the catalog pictures until 1929.
![[Linked Image from i.imgur.com]](https://i.imgur.com/MzInAya.jpg)
In 1935, Ithaca dropped the cocking indicators, reprofiled the stocks and changed to the zig-zag border engraving.
![[Linked Image from i.imgur.com]](https://i.imgur.com/1zCJipg.jpg)
Some of the post-WW-II Field Grades didn't get engraved at all --
![[Linked Image from i.imgur.com]](https://i.imgur.com/7ExQ0Te.jpg)
NID 20-gauges were made for 2 3/4-inch shells from the get-go, but they only marked chamber lengths on the very late guns.