Representative price points.for suggested retail pricing

Prices in US dollars [USD]: 

22 x 30 inch | 55 x 75 cm paper -   $ 5,000

42 x 36 inch canvas                        $10,000 

54 x 48 inch canvas                        $13,000 

72 inches plus                                  $16,000  +

eg., 200 x 300 cm. |                         $21,000

80 x 120 inch canvas

Actual prices contingent on the usual factors
[geography, provenance, market, placement, medium, availability, etc.]

Current known [to this site] record price is $28,400 USD

[from Euro conversion on secondary-market private sale, 42 x 36 inch, 107 x 92 cm, acrylic on linen].