HOLLAND & HOLLAND 'ROYAL' TOPLEVER HAMMERLESS ROOK & RABBIT RIFLE, serial no. 21178 smoothbored to .410
https://www.holtsauctioneers.com/asp/ful...465&image=2

circa 1900, 25in. turned octagonal to round nitro reproved barrel (in 1955, smoothbored from .250 semi-smooth bore rook), wave cut top-flat, rear sight removed and a dove-tail inserted, the adjacent flats engraved 'HOLLAND & HOLLAND. 98 NEW BOND ST. LONDON. WINNERS OF ALL THE 'FIELD' RIFLE TRIALS. 250 SEMI-SMOOTH BORE.',

what have they thought when drilled out this gem in the 1950s?