Interpreting Tomoe River looseleaf paper codes:

Product code examples: TMR-A4P-D5W, SR-A5P-C, etc

Format: AAA-B#C-DDE

Format AAA - B# C - DD E
Indicator Manufacturer Paper size Product type Variants Colour
Options TMR, SR A3, A4, A5, B5, etc P, LM, NMW null, D5, 68 W, Y, C
Meaning TMR = Tomoegawa paper
SR = Sanzen paper as per code P = ?
LM = Limited (Machine 9 paper)
Other product types can be seen here null/empty = plain paper
D5 = 5mm dot grid
68 = 68gsm paper W = white/ivory
Y = cream (Tomoegawa)
C = cream (Sanzen)

Images of Sakae Tomoe River Paper packaging