Playful foodogs antique Chinese flow blue porcelain opimum pillow

At the antique fair my husband pick-up a square blue and white china box with open end! we ask our self what are it for, because the open end , a vase why no bottom?  our guess in the 1st round it is Japanese, because the character in the 2nd is not a legitimated Chinese.

       

 

 





 

 

After research via online I found the answerer to the object  it is late 19th Chinese opium pillow.
.listing item #121489840350
Item : This is a Beautiful 19th Century Chinese Blue & white Opium Pillow from the late Qing Dynasty. This pillow has an open-work 'cash' motif design at one end. The other end has an aperture to permit items to be stored inside. – Typically the wallet of the smoker . This pillow is decorated on four sides with a quatrefoil cartouche enclosing a pair lion dogs playing with yarn on all four sides, surrounded by a blossom decoration and key pattern borders. Measurements: app. 5 1/4"h x 4 5/8" L x 2 3/8"w. 
Marks:  signed above the lion dogs on one side.
Condition : It is in excellent antique condition without  chips or cracks.
Age: circa late 19th century

*Info: Opium pillows such as these were produced in China and exported to overseas Chinese communities around the world. Often they were used in commercial opium dens. Often as This example has an open-work 'cash' motif design at one end. The other end has an aperture to permit items to be stored inside – typically the wallet of the smoker. Once the wallet was inside, the open end of the pillow would be pushed up against the wall while the smoker lay on the floor or smoking platform, resting his head on the pillow. This allowed the wallet to be kept more safely once the smoker was intoxicated by the opium. "References: Martin, S., The Art of Opium Antiques, Silkworm Books, 2007".

more reading regarding opium: http://www.collectorsweekly.com/articles/journey-into-the-opium-underworld/