Hey guys I was recently given a box of blank 30-40 cartridges. The box reads 20 cartridges BLANK Caliber .30 (1898) M3 AMMUNITION LOT R.A. 26 37. Disposal of emptied cartridge cases must be made as prescribed by A. R. Dangerous within 20 feet Remington arms company, Inc. I was wondering if anybody could give me an approximate date of manufacture or how to find one. Also are these worth anything? I was wondering if they are worth trying to sell or should they just stay in my collection?
Thanks in advance for any info