In 2013, the “Yotsuba Danbo Exhibition” was held at the Shibuya Parco Museum to commemorate the 10th anniversary of the series “Yotsuba!”. This version was sold exclusively at exhibition halls, orginally released in August 2013. It is a classic mini size, at 80mm and includes the ticket to the exhibition.

Size:	80mm
Manufacturer:	Kaiyodo
Barcode/JAN Code:	4537807050229
Company/Event:	Yotsuba Danbo Exhibition
Originally Released:	August 2013

NOTE: All my research comes from the Danbos I have collected and research on the internet, so I acknowledge that my information may be incorrect or I do not have all the details. Any information you can help me out with is appreciated.