Data sheet help please

[bigdaddy]

I am filling out a data sheet on my IBM. I have everything figured out with the exception of the extractor type. (I am using the Carbine Club form.)
My options are V, MOD, or FLAT. Any way I look at the extractor I can't figure out the diagram orientation. As it sits on the bolt face (looking at the face) what orientation is the diagram from that perspective? (Does that make sense??)

Information

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[Bubba-7]

Here are pictures of the three types.

[bigdaddy]

Here are pictures of the three types.

Mine looks like the two in the upper right, so what would it be?

[bigdaddy]

Mine looks like the two in the upper right, so what would it be?

Far right back row.

[bigdaddy]

Far right back row.

So is that a "V", "MOD", or "FLAT" ?

[bigdaddy]

It has an inside markof "WB"

[Bubba-7]

From the left are two V
The next one is Mod
The one in the upper right is flat.
The lower one is a V from adifferent manufacturer.
What is "flat" is the part of the exactor that the plunger rests on.
The first two types the bottom lip has a curve.
WB would be for an IBM carbine.