Navy League Military Training Completion Badge/海軍協会軍事講習修了者徽章

Interesting badge that coudn`t be found in official regulation (at least for today).

1st variation.

Obverse

軍講 from 軍事講習 - military training

reverse

海軍協会 - Navy League

Original case.

Lid inscription reads

海軍協會 修了者徽章 - Navy League Training Completion Badge


These badges were manufactured by Taishodo workshop https://asiamedals.info/threads/badges-and-other-products-of-taishodo-watch-shop-tokyo.15302/

Badge has approximately the same size as the regular member badge.
Visual comparison.

 

2nd variation (different stamp, reverse inscription orientation and case).

Original case.

Inscription is also slightly different.

Instead of

海軍協會 修了者徽章 - Navy League Training Completion Badge

we see

海軍協会 軍事講習 修了者徽章 - Navy League Military Training Completion Badge

 

The easiest way to differentiate between two variations.

1st variation vs. 2nd variation

 

Another badge of 2nd variation in mint condition.

Original case.

 

3rd variation.

Note displacement of pin from its marking.

 

1st variation vs. 3rd variation.

The easiest way to differentiate between these two variations will be by using form of kanji 海.

 

3rd variation badge in near mint condition.

Size 19 mm.
Weight 2.9 g.