Oman Badge Collection

[Spitace41]

Hi all. Just thought I would show the collection of Omani badges that I've put together. If possible I'd be much obliged if anyone could ID the badge at the very top of pic 1, the shoulder title in the middle and the rather large crown below the collar badges in pic 2. It has two screw posts on the back. Not sure when Oman started using anodised badges but I assume these are fairly modern.

Many thanks.