RARE! Mao Tse Tung Centennial Pin - Peoples Liberation Army Pin

Description

Mao Tse Tung
Birthday Centennial Pin
1893-1993
Peoples Liberation Army Pin
RARE!
Years ago, I had a colleague who came to the US from the People's Republic of China (PRC). He had been an officer in the People's Liberation Army (PLA) and now he was being sent to the US for more training and education. I helped him to adjust to US "culture" and helped him with his research and learning.
A few years later, when it was time for him to return to China, he gave me some items as a token of his appreciation. The pin shown here was one of those items.  It is shaped like a shield. It has a shiny enamel or plastic image on a gold colored, probably brass, substrate. The pin is held onto the back with two metal loops that I think are soldered onto the back. The pin moves freely in those loops. The white marks on the back may be residue from tape that he might have used to keep the pin from moving or sliding around on his uniform.
Although this pin celebrates the 100th anniversary of the birth of Mao Tse Tung (a huge event in China, celebrated with many pins, badges, flags, pamphlets, books, movies, etc.), he told me that this pin was a very special pin only given to a (relatively, for a large country,) small number of people, I think it might have been something specific to his PLA unit.
I have searched images of this pin using image search engines and I can not find anything like it anyplace on the internet. Over 41 BILLION images were searched.  (I can find dozens of other centennial pins and badges and their duplicates all over the place.)  I believe that this pin is a very rare pin.
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