The item are called 'farmandan', mostly made in India. It's a presentation silver item used as a container for Letter of Thanks or similar things. Between 2nd half of the 19th century and 1st half of the 20the century, they were also popular in English communities in India and Straits Settlements.
I saw a few dozens of silver items in the same styles and crafts in recently several years, including mugs, boxes, bags, bowls, and some Southeast or South Asia utensils. Most of them were made with middle to low grade silver, and bear a Chinese mark such as '福' or '大福' or an illegal character like yours. IHMO, they are either made in Vietnam, or made by Vietnamese refugees in Thailand, Malaysia or Indonesia after 1976.