This piece, a 1/4 Pe coin minted in Calcutta, represents the first real effort for a pan-Burmese coinage. Although the obverse of my example has some tooling, the planchet is a quite healthy-looking and the reverse is well-struck.
The coin features two fish on the obverse, either referencing the Buddha being born twice as a fish in past lives or the zodiac sign marking the month of King Bodawpaya’s ascension to the throne. The reverse dates it to 1782, the year of King Bodawpaya’s ascension, though records place its issue in 1797.
This coinage, along with silver coins modeled after older Burmese city-state issues, were issued in an attempt to replace the prevailing system of silver-and-lead-based commerce; prior to the issuance of these coins, much of the commerce of Myanmar was conducted through silver bullion, with irregular lead lumps being used as small change. The old system, which was prone to cheating, required regular melting of silver to be assayed, resulting in small but regular losses (about 1-2% in each melt).
A mix of unrealistic seigniorage, flawed dissemination of market value, and small mintage figures hampered the public’s acceptance of these coins, but nevertheless, records show that they remained in circulation into the 1890s.
Source: King Bodawpaya's Effort at a Konbaung Coinage by Philip Hauret