Age these 3 WT jaws

[Erict]

Here are three jaws from a SE Iowa ag & timber area. I spent some time trying to age these using THIS TOOTH AGING WEBSITE . What do you think? Am I close?

#1 - 3.5 (about 140" gross buck. Jaw is part way through whitening so looks cleaner.)
#2 - 4.5 or 5.5 (about 155" gross buck)
#3 - 7.5 (doe)

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[realunlucky]

You can have them professionally aged pretty cheaply

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[UPThunderbolt]

I spent 28 years aging deer, was tested on my skills each year and generally scored 85 to 90% accurate. That is to say I’m pretty good but not perfect in my calls.

Jaw 1. 3.5 years old.
Jaw 2. 5.5 years old.
Jaw. 3. 7.5 years old is a really good guess, but at that age being precise is difficult.