The first pattern is “feather-open” peacock (1852-1853) :
ref:https://cn.auction-world.co/xpai/lot_21-1046.html&https://www.ngccoin.com/certlookup/4537093-002/50/
It can find in 1991ver. Standard coin catalog (later version has mistakes) KM#11. NGC calls them “CS-DATE BURMA KYAT rosettes around peacock”. 16.04~16.25gr, silver, pattern, Ava Mint.
Known 8 coins, 5 in NGC, 2 in PCGS, 1 in Great Britain museum.
The second pattern is “feather-closed” peacock (may 1854 or earlier):
It can find in It can find in 1991ver. Standard coin catalog (later version has mistakes) KM#12. This may be called “CS-DATE BURMA KYAT common with peacock wreath surrounded”. 16.04~16.25gr, silver, pattern, Ava Mint.
Known 3 coins, 1 in NGC, 1 in PCGS, 1 in Great Britain museum.
The third pattern can be found in https://auctions.stacksbowers.com/auctions/3-20QSS/april-2012-hong-kong?page=42&limit=36, lot22027-22032 “cycle-feathered” peacock (1864 or later):
Uniface Obverse Die Trial in White Metal (ver.1)
Pattern Kyat Struck in White Metal, CS 1214 (1852). NGC MS-62.
Uniface Obverse Hub Impression for CS 1214 (1852) Kyat (ver.2)
Uniface Die Trial of a CS 1214 (1852) Kyat, NGC AU-58.
Pattern Kyat Struck in White Metal, CS 1214 (1852). NGC MS-62.
Pattern Kyat Struck in Copper, CS 1214 (1852). NGC MS-64 BN
It can find in It can find in 1991ver. Standard coin catalog (later version has mistakes) KM#12 Pn8 Pn9. This may be called “CS-DATE BURMA KYAT peacock circular feathered”. 16.23gr (only for silver), pattern, Birmingham Mint (Heaton).
RARE, they may only sample.
At last, the familiar common peacock coin has its proof. Copper patterns exist.
They may be more than 8.
There're two exonumia patterns.
First is 1960s “essai” counterfeit:https://www.sarc.auction/BURMA-AR-kyat-CS2114-Frank-Lapa-fantasy-issue-circa-1960-s-PCGS-SP67-Specimen-67_i33088280
“Frank Lapa was a Chicago area coin dealer who produced counterfeits and fantasy coins marketed in the late 1960s and 1970s. He was convicted of killing his associate, Raymond Yablun, in August 1975, and spent years in prison.”
He also made copper ones and “Clipped planchet” ones.
The second is British North Borneo token:
Ramie Fibre Company Ltd. Borneo copper 1/2 Dollar Token ND (1898-1900),31mm
~~$1, copper, undated (1898-1900), 35 mm, weight 19.74g. plain edge
https://spink.com/lot/CSS72000034
May create 7 pages.
