Miniature and scale cartridges are probably some of the most interesting cartridges to me.

Click any of these pictures to view a larger version.

The 9mm in the back is full sized for scale.

From left to right:

47% Scale .45 Long Colt case made to fit the Uberti SAA's. It is made to 47% of exact SAAMI specs.

Half-Scale .45 ACP made to perfect 1/2 scale SAAMI specs, to fit the Russian made 1/2 scale Colt 1911's and 1911 A1's

Half-Scale 9mm Luger by Joseph Anzonelli - Headstamp: DWM K 4 17

Half-Scale .30 Luger by Joseph Anzonelli - Headstamp: DWM K K 471

Third-Scale Winchester .30-30

Third-Scale .30 - 06 to fit the Miniart 1/3 scale belt fed Browning 1917 & 1919 machine guns.

Third-Scale .30 Mauser dummy made by Miniart in Russia.

Third-Scale 9mm Luger dummy made by Miniart in Russia.

Forth-Scale .45 Long Colt to fit the Alex Baez 1/4 scale Colt SAA's

Half scale cartridges by Leon Crottet. They are all fully functional half-scale versions made for his half-scale guns.
Half-Scale .22 Long Rifle
Half-Scale 7.65 Para Swiss
Half-Scale 7.65 Para Luger Carbine
Half-Scale 9mm Para - Old Swiss style Bullet
Half-Scale 9mm Para - Deeper Crimp
Half-Scale 9mm Para
Half-Scale 9mm Mauser Exp
Half-Scale 10.4 Ord Swiss Rev 1878
Half-Scale 10.4 Ord Swiss Rev 1872

Variations on the 4.25mm Liliput cartride.

These are a few rare 2mm rimfire cartridge boxes as well as one 2mm pinfire box(one in the middle.)

1/4 scale and 1/10 scale 9mm Luger cartridge. The 1/4 scale is just a case, whereas the 1/10 scale is fully functioning with what I believe to be the smallest certerfire primer ever made.