The first Marlin chambered in .38-40 was the Model 1888, top eject, Approx. 4800 mfg. 1888-1889. The Model 1889 was the first solid top frame side-eject chambered in .25-20, .32-20, .38-40 and .44-40. Blue Book of Gun Values says 55,000 were mfg. 1889-1899. Described as having a "short throw lever action", FACTORY SHORT STROKE 1889 style!
B.N.Scotty