Well, I finally found my holy grail and not only found it, but won it at this past week's Poulin's Auction. This is a legit 1903a1 Marine Unertl sniper rifle with a low scope serial number. The rifle would have been originally sent to Quantico in 1937 for the shooting team and then sent to war once that started. It's estimated about only 250-300 of these rifles were ever made and today only 23 are known to exist. I was ecstatic and also felt like I wanted to throw up at the same time after I won it! Let's just say the collection got a little thinner in order to make this one happen. I'll be putting up more pictures once I receive it.