Sceatta indentification

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I have a small scea​​​​​​tta mm)but couldn't find out which one it is. It is currently in a coin holder (I forgot to measure the thickness and the weight) but if needed I can get it out

All the help is appreciated. I would like to know which coin it is. Thanks for the help

indeed, picture without holder are better, and dimensions would help

perhaps here?
http://www.wildwinds.com/coins/brit/i.html

Rthe weight is 0.75 grams and it has a 8 mm diameter