1/4 Mohar - Rajya Prakash Malla

Rajya Prakash Malla ruled Patan — one of the three rival Newar kingdoms of the Kathmandu Valley — during a period of intensifying political fragmentation that would ultimately make all three kingdoms vulnerable to Prithvi Narayan Shah's Gorkha conquests. Patan fell in 1768. The fractional mohar series from this reign reflects the valley's highly localized monetary practice, where each kingdom maintained its own silver coinage despite operating in close geographic and commercial proximity to rivals in Kathmandu and Bhaktapur.

The .616 fineness is characteristic of Patan's declining silver standard across the mid-eighteenth century.