For starters the serial number is in question. There was an Auto 5 16 ga with that serial number made in 1929, but it was not a "Sweet" 16. Sweet 16s are lightweight guns of the 16 ga model. If it is a Sweet, then part of the serial number or code is missing such as a letter. Please refer to the following link for values: http://wiki.answers.com/Q/What_is_the_value_of_a_Browning_Sweet_Sixteen