help with hallmark Charles Rawlings & William Summers

[patagere]

Hello, can someone please tell me the specific date of this? I'm afraid my eyes can't distinguish the date mark. I know its mid-19th century, but looking for something more exact. I checked the hallmarks page, I just cannot figure it out.

[dognose]

Hi,

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Trev.

[patagere]

Sorry about that

[silvermakersmarks]

It's O - 1849.

Phil

[patagere]

Thank you very much !