The date is in the obv legend. It is a little blurry, especially at the end, but looks like mdccclxxiii (1873) to me.
It also might be interesting if you could provide a close-up pic focused in on the obv edge below QV's shoulder. That may shed light on the die number.
"If you climb a good tree, you get a push."
-----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed."
-----King Adz