Understanding Receiver Markings
Top: Queens Royal Cypher (Queens Crown)
2nd Top: Victoria Regina. Queen Victoria's Mark 1837-1901
3rd Top: Manufacturers Mark Enfield; The Royal Small Arms Factory, Enfield, Middlesex.
4th Top: Date Of Manufacture: Enfields production dates ran April 1st-March 31st for the next year. Thus an 1876 dated rifle was manufactured between March 1875-March 1876.*
5th Top: Lock Viewers mark: denoting government view and acceptance.
Bottom: Mark of Rifle; usually marked in Roman Numeral and directly central under the viewers mark, MkI rifles upgraded to MkII and Enfield Martini MkI, converted to Martini Henry MkIV will have the second numeral stamped alongside the primary numeral such as I.V.
*For a true manufacture date, look under the barrel knocks form i.e 1/78. January 1878.