Collectors with deep pockets, the following guns are up for auction on June 21st by Holts and Co. A week later is the sealed bids-only auction which usually has more 'regular' air rifles for sale, but no details are up for this yet.

618 AN 8mm GIFFARD PATENT HAMMER AIR RIFLE BY GIFFARD, serial no. 4533, £400-£600
619 A BLOW-PIPE WALKING STICK, £70-£90
620 A 70-BORE AIR CANE SIGNED REILLY, LONDON, £150-£200
621 A 60-BORE AIR CANE WITH 120-BORE RIFLED INSERT AND STIRRUP PUMP, (3) £250-£350
622 A FINE 140-BORE BREECH-LOADING WALKING-STICK AIR RIFLE WITH STIRRUP PUMP BY WM. WATSON, LONDON, £300-£500
623 A 90-BORE AIR RIFLE SIGNED W. BROWNE, LYNN, £700-£900
624 A 120-BORE AIR RIFLE SIGNED G. WALLIS, HULL, serial no. 1447, £800-£1200
625 A 35-BORE BREECH-LOADING AIR RIFLE BY DOWLING, MANCHESTER, £1000-£1500
626 A RARE CASED 52-BORE AIR RIFLE WITH INTERCHANGEABLE 32-BORE SMOOTHBORE BARREL BY SAMUEL STAUDENMAYER, LONDON, £1500-£2000