$150 in mint condition.
how to remove and replace trigger guard on Harrington Richardson topper shotgun n
How old is my Topper 88 HARRINGTON AND RICHARDSON GUN serial number
Harrington and Richardson used serial numbers that started with AM in 1974. The company had similar shotguns being built from 1974 to 1981.
Harrington & Richardson used the Prefix AT in 1983.
100 USD or so
Depending on condition, $75-$125.
50-150 USD or so
50-150 USD
up to 100 USD
50-100 USD or so
50-100 USD
$60-90, depending on condition.