saaf wings post wwii

[seaeagle25]

Hi there guys

I am getting really confused with the different eras of South African Air Force wings since WWII.

My observations, starting from the recent wings:

- since 2003 there has been the new coat of arms for the pilot and navigator but the other air crew position look similar to the previous era, except they don't have bi-lingual letters in the middle
- 1993-2003 the pilot and navigator had the normal SA shield but with a red lion on top of the shield. Other aircrew had bi-lingual letters in the middle of the wing
- before 1993, and I am not sure how many years before (maybe from 1960s) the pilot and navigator have the same shield as above but no red lion or crown. The aircrew I have no idea what categories there were or what they looked like.

Was there another era of wings before these that had the Queen's crown above the shield?

Regards

Doug