Photos courtesy of Heritage Galleries (HA.com)
Obv. Castle; above The Magic Kingdom; below castle, on ribbon Disneyland
Rev. Old-time Mississippi river boat; above Disneyland; below boat Mark Twain; below, small © Walt Disney Prod.
HK-753 Silver, on edge Sterling. 39mm. Only 30 struck.
HK-754 Aluminum, gold anodized.
Several varieties exist. The original strikings have a squared O in Kingdom as shown here.HK-752 HK-755