1909-26 used colln of both plates arranged by plate position & paper type (only DLR & Cowan) in 11 exercise books - plate 12 (7 books) over 10,000 stamps & plate 13 (2 books) about 3000 stamps. Of the other 2 books, one identifies missing perf pins by plate & plate position (about 100 stamps) & the last book incls over 100 DLR sideways wmk stamps identified by plate position. (Image)

1909-26 used colln of both plates arranged by plate position & paper type (noted DLR, Art, Cowan, Cowan reverse, WT & incl some Officials) in 12 exercise books (plate 12: 10 books about 6000 stamps & plate 13: 2 books about 3000 stamps). (Image)

c1909 plate proof seln in black: vert block of 8, lower corner b of 4; 2 horiz pairs all imperf & booklet pane of 6; perf 14 x 15 b of 4 with R/H selvedge; in red imperf b of 4 (DLR unsurfaced paper). Also imperf b of 4 in black multiple printings on back. This latter item probably printer's waste. CP cat approx $850. (Image)

1925 DLR unsurfaced paper, DLR sideways letter wmk. CP J3a, J4ax. Cat $485. MUH. (Image)

1925 DLR unsurfaced paper block of 4. CP J3a. Cat $1600. MUH. (Image)

1925-6 MUH blocks seln - DLR unsurfaced paper b of 4; DLR sideways wmk 2 b of 4 (1 block 2 stamps L/H mint) & single; Cowan b of 4; WT vert b of 18; Officials: Art paper & Cowan each b of 4s. CP cat $4270. (Image)