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Looks like you have a wonderful EEO-Grade Pigeon Gun. From the table in Charles G. Semmer's wonderful book on Remington doubles it is a gun of 1909 vintage. In the 1908-09 Remington Arms Co. catalogue the EEO-Grade had a list price of $230.
Two patents were issued on the same day, October 30, 1894. No. 528,507 pertaining to the milling of the frame was granted to R. C. Fay of Ilion, New York, assignor to the Remington Arms Company of same place; and No. 528,508 pertaining to the automatic ejectors, to R.C. Fay and G.E. Humphreys of Ilion, New York, assignor to the Remington Arms Company of same place.
Remington Arms Co. stamped the actual pellet counts of their test patterns on the rear barrel lug of their Model 1889 hammer doubles and their Model 1894 and 1900 hammerless doubles. If the number is three digits, that is the count, if the number is two digits a leading 3 is implied. From surviving hang-tags we know the standard load they used to target 12-gauge guns was 1 1/4 ounces of #8 going 511 pellets to the load. My 12-gauge KE-Grade Model 1900 is stamped 33 on the left and 24 on the right. That would be 333/511 = 65% left and 324/511 = 64% right, or about improved modified in both barrels. The chokes measure .027" in both barrels of that gun.
You need to check out Charles G. Semmer's book "Remington Double Shotguns." It is available from the author 7885 Cyd Drive, Denver, CO 80221, for $60 plus $5 shipping and handling. It is invaluable if you are going to shoot, invest, collect or play in the Remington double gun field.
Looks like a Live Pigeon listed in 1902 factory catalog, for Pigeon Shooting " Ordance" steel barrels,30 or 32 inches,12 gauge,straight grip, 7 3/4 lbs to 7 lbs 15 oz. choked and targeted with special care.
Grades C.E.O., D.E.O., E.E.O. Also these gun did not have a saftey..
This was the only year catalog listed as Pigeon Gun change to Trap Gun in following catalogs.