Have it examined by a competent gunsmith
No known published sn data
Some Enders Royal Service shotguns are Crescent Model 60's marked with Shapleigh Hardware's trade name, but some were made by other manufacturers.
Lender's royal service # 117709
Enders Royal Service shotguns were distributed by HD Folsom to the hardware trade from c.1890-1920. They were imported from Belgium (will have proofmarks) and made domestically by at least two different manufacturers.
all you have to do is look up the answer on goggle and get the answer right away
Possibly Enders Royal Service? Blue, Hound, Whistler are a few others
try www.e-gunparts.com or www.gunbroker.com you may have some luck there.
Before 1930. sales@countrygunsmith.net
Enders Special Service & Enders Royal Service along with Enders Oakleaf were made by Crescent Fire Arms Co. for Shapleigh Hardware Co. of St Louis, MO in the early 1900's. It is not a rare gun nor expensive. Perhaps $200 if in good condition.
Depending on the condition of the firearm. It could fetch as much as one hundred seventy five dollars in great shape, or as little as fifty dollars in poor condition.
Well, honey, the value of an Enders Royal American shotgun can vary depending on its condition, rarity, and any additional features. I ain't no psychic, so I can't give you an exact price without more details. Your best bet is to have it appraised by a professional to get a more accurate estimate.