Rhampholeon kerstenii??

[Lidee]

Hello,
this is my first post on CF, so i'm not sure i'm doing this right.
in any case, i purchased two (hopefully a pair of) leaf chameleons about a month and a half ago under the name Rhampholeon kerstenii, however, after looking at pictures and care sheets, they look more like brevicaudatus to me, except at times when (what i think is) the male shows stripy patterns. These are my first leafies, so i have no clue about how to differentiate.
Here are some pictures i took, i hope they're good enough to help with the identification.
The first three are of the would be male:

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and these last two of what i hope is a female:

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If anyone can help identify the sex aswell, that would be awesome!
THANK YOU!

 

[qdude46]

I feel your right in every way. I'm positive they are brevs as kerstenii are very rare. Your sexing seems on point too, good luck with them?

 

[Lidee]

Excellent!
I'm very glad on both accounts!
Thank you for the prompt answer!

 

[Ferdy Timmerman]

You're right, they are R. brevicaudatus. You can easily tell by the presence of the conical scale on their chin.
Seems to me you sexed them right as well. Females usually have a more rounded dorsal crest, whereas males have a dorsal crest that is a bit 'sharper'. Also, the male has a slightly longer tail than the female, and he has a broader tailbase than she does.