The Meitei currency for most of the history of Manipur consisted of gold, silver, bronze and copper coinage.
From the earliest history of the coinage in the Ancient Manipur (Antique Kangleipak), during the 1st century CE, well into the modern times, Meitei currency saw many changes in form, 
denomination and composition. A persistent feature was the inflationary debasement and the replacement of coins over the centuries. Notable examples include the reforms of King Pamheiba (). This trend continued into modern times. 
There are many archeological sites excavated in Manipur from where many ancient coins were found, among which Nachou is one of the most significant places.

Standards and denominations 
There were two kinds of coins issued in Ancient Manipur right from the time of the onset of marketing, which are "semkhai" and "sen". These are generally crafted out of bronze. Two "semkhai"s equals to one "sen".

Ancient period 
The earliest known coinage was issued by during the reign of Emperor Ura Konthouba in the 7th century CE in Ancient Manipur (Antique Kangleipak). Some historians strongly opined that the oldest known coins were circulated from the 1st century CE during the reign of Emperor Nongda Lairen Pakhangba in Ancient Manipur. It is evident that bronze coins dating back to 568 AD to 658 AD were found inscribed with letters of archaic Meitei script.

Medieval period

Early medieval 
It is evident from the coins discovered that there was a good deal of literary activity taken place during the reign of King Kyamba. The Cheitharol Kumbaba recorded that King Khagemba issued coins along with which there was all round progress in the kingdom. In the Sana Keithel (Royal Market), there was a custom in which the king threw bell metal coins amidst the public as familiar gestures of goodwill and responsibility for public welfare. In the beginning, kings had to abandon the plan to issue copper coins when the women traders refused to accept them.

Late medieval 
The coins issued before the reign of King Pamheiba () depicted legends in the archaic Meetei script. For the first time in the history of Manipur's numismatics, Garibaniwaja introduced the Nagari script in depicting the legends. The tradition of depicting Bengali script and Nagari script in the coins was followed by the succeeding rulers of later times.
Many of the coins, issued in between seventeenth and nineteenth century AD, bear Sanskrit legends in Devanagari script. On special occasions, coins were distributed among the crowds with a grand possession of the royalty.

Modern period 
On special occasions, coins were distributed among the crowds with a grand possession of the royalty.
In the Northeast India, only Manipur struck low denomination coins that were useful for market trading. When Manipur came under the Indian Union, the Indian currency came into use.

Minting 
The Senjam and the Aheibam families were engaged for making coins under the supervision of the institution of the maibas. The populace often learned about of a new ruler when coins appeared with the new ruler's name. For example, Ura Konthouba (Wura Konthouba) issued coins bearing the Meetei letter "ꯋ" ("wa") denoting his name.

Coins in religious activities 
The senior most/chief male family members (pibas) used coins in the names of God Sanamahi and Goddess Leimarel and regularly perform rites and rituals in the Sanamahi Kachin (Lainingthou Kachin).
During the Laiching Jagoi, an ancient dance performance in the Lai Haraoba festival, the senior most maiba has to throw a "konyai" (gold or silver coin) and rice into the water to invoke a deity. The art of fortune telling consists of throwing the coins on the floor and reading its results by the maibas and the maibis.

Bibliography 
 https://www.jstor.org/stable/44141193
 https://books.google.co.in/books?id=G32uMwEACAAJ&dq=the+coinage+of+Manipur&hl=en&sa=X&redir_esc=y
 https://books.google.co.in/books?id=ZlgaAAAAYAAJ&q=Manipuri+numismatics&dq=Manipuri+numismatics&hl=en&sa=X&redir_esc=y

Other websites 
 http://e-pao.net/epSubPageExtractor.asp?src=manipur.History_of_Manipur.Unexplored_Antique_Coins_of_Manipur
 http://www.e-pao.net/epSubPageExtractor.asp?src=manipur.Arts_and_Culture.Mutua_Bahadur_Art_Collection.Cultural_Heritage_Complex_8
 https://books.google.co.in/books?id=bQQNCU-QWBAC&pg=PA246&dq=meitei+coins&hl=en&sa=X&ved=2ahUKEwjLxt77_4ryAhXA7XMBHVC_DPU4FBDoATADegQICRAD#v=onepage&q=coins&f=false
 https://books.google.co.in/books?id=9jtuAAAAMAAJ&dq=meitei+coins&focus=searchwithinvolume&q=coins
 https://books.google.co.in/books?id=Jao5AQAAIAAJ&dq=meitei+coins&focus=searchwithinvolume&q=meitei+bellmetal+coins
 https://books.google.co.in/books?id=qkUHAQAAIAAJ&dq=meitei+coins&focus=searchwithinvolume&q=coins
 https://books.google.co.in/books?id=COCBAAAAMAAJ&q=meitei+coins&dq=meitei+coins&hl=en&sa=X&ved=2ahUKEwi_ira8hYvyAhVSwjgGHSFVB_84ZBDoATAIegQICBAD
 https://books.google.co.in/books?id=fVWGDW07ZrAC&dq=meitei+coins&focus=searchwithinvolume&q=coins
 https://books.google.co.in/books?id=r74yAAAAIAAJ&dq=meitei+coins&focus=searchwithinvolume&q=coins
 https://books.google.co.in/books?id=1lpuAAAAMAAJ&dq=meitei+coins&focus=searchwithinvolume&q=coins
 https://books.google.co.in/books?id=PdEiAQAAMAAJ&q=meitei+coins&dq=meitei+coins&hl=en&sa=X&ved=2ahUKEwjpvqmRg4vyAhV2zzgGHRo5Afw4PBDoATAJegQIAhAD
 https://books.google.co.in/books?id=ZF9uAAAAMAAJ&dq=meitei+coins&focus=searchwithinvolume&q=coins
 https://books.google.co.in/books?id=VNeRDwAAQBAJ&pg=PA63&dq=meitei+coins&hl=en&sa=X&ved=2ahUKEwjLxt77_4ryAhXA7XMBHVC_DPU4FBDoATAIegQIAhAD#v=onepage&q=%20coins&f=false

References 

History of Manipur