Rock Island Armory 1903. The top of the receiver is marked “U.S. / ROCK ISLAND ARMORY/ MODEL 1903 / 153229"(serial number dating manufactured 1908). The top of the barrel is marked S/A 4/28. The safety is marked “SAFE / READY” and the magazine cutoff is marked “ON / OFF”. Please see actual photo's.  Please call (770)427-6462 or email us [email protected] if you have any questions.  Ground shipping for this gun is $50. You can pay by sending a US Postal money order or pay over the phone by credit card. Please add 3% for all credit card purchases. Thank you! .