Nice stuff mate!!....I sold a HR81.....minty but no box on here about 6 months back for £180 I think, if that is any help
P.S.
....Does your missus know you put all those oily old guns on here lovely white sofa
I sold a mint hr83 a few months back in .177 - but no box or paperwork - for £250....my local dealer offered me £75 for it....
Wish i hadnt sold it now....
I still have my HR81 in .22 from new