The Rectangle Coins - 2 Bu 的钱币相册
Graded June 2021. As of July 2021, 11 have been graded. I've found nine of them, and three of those are misattributed. This is the highest grade I've been able to locate to confirm it's correctly attributed.
When purchased pop was 4/1, and at least one of those AU58 was just a Meiji Nibu in the wrong holder. Between January and April 2020 the populations exploded; all newly graded pieces I've seen have been misattributed. At least 59 MS62, 20 AU58, and all 3 MS61 are just Meiji Nibu. I have a suspicion the actual populations are much closer to original numbers (4/1). To date, I've found one correctly attributed AU58 (this one) and one MS62 (the first coin on CoinFacts as of August 20, 2022). Early Japanese Coins by David Hartill clearly shows how to differentiate between Man'en and Meiji, and the JNDA shows the difference between the Man'en Ansei-type and Man'en Meiji-type. An illustrated explanation is also available here: https://rectanglecoins.com/attributing-manen-nibu
When purchased pop was 4/1, and at least one of those AU58 was just a Meiji Nibu in the wrong holder. Between January and April 2020 the populations exploded; all newly graded pieces I've seen have been misattributed. At least 59 MS62, 20 AU58, and all 3 MS61 are just Meiji Nibu. I have a suspicion the actual populations are much closer to original numbers (4/1). To date, I've found one correctly attributed AU58 (this one) and one MS62 (the first coin on CoinFacts as of August 20, 2022). Early Japanese Coins by David Hartill clearly shows how to differentiate between Man'en and Meiji, and the JNDA shows the difference between the Man'en Ansei-type and Man'en Meiji-type. An illustrated explanation is also available here: https://rectanglecoins.com/attributing-manen-nibu
Graded October 2022. Interesting to note that the populations for this type also exploded between January and April of 2020 - this one would've had a population of 20/0 in early 2020.