Sexing help and confirm species

[backswampcub]

I recently purchased this pair of long term captive WC garters. Seller did not know the type but I was sure they were Easterns. Also if eastern locality thoughts.

Presumed Male
15413

15414

Presumed Female

15415

15416

[guidofatherof5]

I think you are correct.

[backswampcub]

On the Sex as well as being Eastern?. The easterns where I live in Eastern NC are mostly an olive color but I have seen ones this almost black and yellow from lower parts of Canada online.

[Finalflash50]

I would have to agree with you, very similar look to all Sirtalis I've seen