I need any help,ALL BATF LEGAL, have a 15 1/4" Marlin,mod1894,caliber 38-40,"SBR/carlbine,with saddle ring and tang sight,For its age and time frame I would rate it at about 8 1/2-9 on scale of 10. Said carbine has been in family since Grandfather acquired and reg.in 1968 in compliance with 1968GCA,Have all paper work.Shoots just fine ...Discussion states only 52 caliber 38-40 made and ONLY ONE AS A 15 1/4"MADE IN 38-40 WITH SADDLE RING.Most all who see all state that majority were made in 44-40 on special run and sent to Chile for their Mounted Police and those returned are ROUGH. EVERYONE seems to agree that none have ever seen and "Think" this is the only one Known ????? Need some thoughts ,ideas and or suggestions .Additional info SN#430591 which is listed in BATF exempt file...Thanks for any help......