Just checked amhr for you but in spite of the fact that there are numerous horses listed under "Tiny Hooves" this one didn't show up.
Sorry, I wonder if someone else would know a better way to look?
OK searched another way, here's the closest I found
AMHR - 239374T TINY HOOFS HOLLIE DUN IT
Sex: MARE Color: DUN
Height: Mane & Tail: BLACK
Date Foaled: 6/25/2003 Markings (1): STAR,SHORT STRIP, DISCONNECTED SNIP;
Date Registered: 11/18/2003 Markings (2): LEFT FRONT & REAR FETLOCKS,
Current Owner: JOHN OR JOY HURLEY Markings (3): RIGHT FRONT HEEL,
Breeder: JIMEL FERGUSON Markings (4): RIGHT REAR SOCK;
Click on any registered animal to view it's details and pedigree.
AMHA: JUST PAYOLA
71707A BENS PRINCE CHARMING 30.25"
AMHA: AF MINNIE PEARL
221480A BENS SUMMER STORM 32.00"
AMHA: BENS PUFFETTE 30.50"
AMHA: BENS RANGER
211579A ROCKHOUSE ENCHANTED SPRITE 32.50"
AMHA: BENS KATRINA
Hope that helps
Anne