There’s a photo of the model (the left one) on the Lana Grossa website.

Description:
Pullunder (Vest) with short sleeves, knit from side to side with stripes in different colors and different patterns, using intarsia technique.

Size information:

• S, M
• German sizes: 36/38, 40/42
• Finished bust circumference: 116 cm/45.5’’, 124 cm/49’’

Original colors:

• beige (col 8): 5 (6) balls - 550 (660) yards
• brown (col 12): 2 (3) balls - 220 (330) yards
• anthracite (col 6): 3 (4) balls - 330 (440) yards

Additional gauge:

• 15.5 sts and 22 rows = 10 x 10 cm (4’’ x 4’’) in diamond pattern

• 20 sts and 22 rows = 10 x 10 cm (4’’ x 4’’) in cable pattern 1

• 17 sts and 22 rows = 10 x 10 cm (4’’ x 4’’) in cable pattern 2