More ID help please

.297/250 Rook on the left for size. Second from Left is roughly .20, 3rd from left .22, square revolver is .305, blank is a bit over .37 in OD

Second from left HS is “H * * K&C” for 12, 9, 3 and 6 o’clock positions.
Three rounds on right have no HS.

2 lhs 5mm Charola Anitua by Keller and Co.

Hi

No.3: .297/.230 Morris Short.
No. 4: 7.65 mm practice cartridge for Berthier system adaptor in 7.65x54.
No. 5: 9 mm Danish ordnance revolver blank.

Regards,

Fede

Fede, I think I owe you some beers… Many beers

Thanks, I hope we meet someday at St. louis… or you can come to Argentina!