Gentlemen,
Thank you for your kind comments.

Trophit1: That is called a stalking safety it keeps the gun in the safe position.

Tinker: Weight is 9lbs 10ozs.

Gatsby: The photos were taken at our home in the Hamptons (East Coast).

Oz: By unusual I assume you mean hardly seen in this calibre, if so you are correct. I have encountered very few over the years especially in this condition and grade.