I recently rescued this Kiddush Cup from an antique store but I cannot identify it's origin based on the markings.
It appears to be a British Hallmark but it is not listed in the database -- I hope it's not a fake hallmark, what you have in the glossary as a Pseudo Mark.
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Please help me identify it -- any information would be helpful. Thank You.
Isaac
Are you sure it is not RT&Co with the o lined up with the top of the C
There is an unattributed mark for this with similar punch outline and period.