A river in the winter

Original aspect ratio size:
20 wide x 24.6 high inch ($248.00)
24 wide x 29.5 high inch ($279.00)
30 wide x 36.9 high inch ($345.00)
36 wide x 44.3 high inch ($432.50)
48 wide x 59.1 high inch ($673.50)
72 wide x 88.6 high inch ($1,371.00)
86 wide x 105.8 high inch ($2,265.00)
100 wide x 123 high inch ($3,165.00)

Standard size:
16 wide x 20 high inch ($210.00)
20 wide x 24 high inch ($248.00)
24 wide x 36 high inch ($310.00)
30 wide x 40 high inch ($380.00)
36 wide x 48 high inch ($485.00)
48 wide x 72 high inch ($862.00)
72 wide x 108 high inch ($1,880.00)
86 wide x 128 high inch ($2,650.00)
100 wide x 150 high inch ($3,680.00)