The Bulgarian auxiliary ship Kamchiya according to a CIA report dated 13 November 1952

An item reported that the Bulgarian auxiliary ship Kamchiya built in 1898 was modernized in 1925. With a displacement of 105 tons, a speed of 10-12 knots and an armament of 2-6,5cm guns and 4 machineguns.

Source
The report was published on www.archive.org, document number by CIA-RDP83-00415R012700120006-1