(a) 14.1 × 10.8 cm irreg. (image and sheet) (b) 12.0 × 14.0 cm irreg. (image and sheet) (c) 12.1 × 12.8 cm irreg. (image and sheet) (d) 9.4 × 13.6 cm irreg. (image and sheet) (e) 11.5 × 12.2 cm irreg. (image and sheet) (f) 9.2 × 13.4 cm (closed) 23.0 × 32.4 cm (open) (envelope)