Blue book of gun values
Did you ever find an answer to your question? I have an antique Double Barrel Shotgun with the same markings. Mine is a 16 guage. "The Continental - Fine Twist" is on the center rib of the barrels. "Pat. June 20 1885" on the reciever. If you found out any thing, please let me know.
The 1883 22 caliber colt rifle is valued at $2,275 in excellent condition. I fair condition it is valued at $775.
I can say that your Springfield model 1873 trap door rifle was made in the year 1883 with the serial number that you have provided.
Sydney High School Rifle Club was created in 1883.
1883.
There is a web site called "marlin manufacture dates", but it will only give you the year of manufacture, not an actual month and day. Seeings as you already know that it is an 1883 rifle, then you probably know as much as you are going to find out about the rifle.
50-5000 USD depending on specifics
Professional appraisal
Bombay Natural History Society was created in 1883.
Saratoga Springs History Museum was created in 1883.
10-1000 USD or more depending on specifics
With the serial number that you provided,your Springfield model trapdoor rifle was made by Springfield armory in 1883.