Check old gun catalogs
the topper model 88 is a 1985 model according to the blue book of gun values
1980
The H and R 410 Deluxe Topper Model 198 is a shotgun that was manufactured by Harrington & Richardson. This model was produced primarily in the late 20th century, specifically around the 1970s. Therefore, as of 2023, the age of this model would typically be around 40 to 50 years old, depending on the specific year it was made.
The gun was made in 1949.
The serial number.
Not an easy question- the model designation has changed, been brought back, company has changed hands 3 times, etc. The model 88 started out as the economy model but soon became the standard model. Inthe catalogs the Topper name as used by the original company was dropped sometimes before 1978 only to be brought back by NEF/H&R 1871 in 1987
Call S&W with the serial number and they will tell you
IITJEE is conducted every year and we have a different Topper every year.
Proofhouse.com
Send me the serial # so I can tell you which year it was manufactured.
You will have to tell us who made it. More than one maker has had a model 70 in their line.
As far as I can tell it was made in 1971