Help with Flask Identification

[TDM]

I purchased this flask a couple of days ago at an antique shop. After doing an online search it appears to be a nice copy of a G. & J.W. Hawksley made in Sheffield, England in the 1830-1860 period. The flask is a dram measure, 3-4. It’s in good shape. The lever spring was missing but I’ve already ordered a replacement from TOW. There are not markings that I can find. Any help with the maker and age would be appreciated.







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