63

Blue

Value

Used
$5-$15
No postmark with gum (MH)
$50-$80
Full perfect gum, no postmark
no trace of stamp hinge mark (MNH)

$95 - $230

As you can see there is little difference between the blue and ultramarine shades. Care should be taken when classifying faded copies of the blue shade as they tend to look like ultramarine. As with the ultramarine shade, a strong color has more value

63a

Ultramarine

Value

Used
$950- $3,000
No postmark with gum (MH)
$2,500 - $3,250
Full perfect gum, no postmark
no trace of stamp hinge mark (MNH)

$4,250 - $5,000

It should be noted that many purported examples of mint 63a are for sale or have been sold on eBay, it is extremely rare that they are indeed the genuine ultramarine shade. This shade can only be judged to be genuine if accompanied by a certificate of authenticity. Used copies without certificate are usually someones interpretation of ultramarine, when they are the blue shade.

63b

Dark Blue

Value

Used
$1,800 - $3,750
No postmark with gum (MH)
No sales recorded
Full perfect gum, no postmark
no trace of stamp hinge mark (MNH)

No sales recorded

It should be noted that many purported examples of 63b are for sale or have been sold on eBay, it is extremely rare that they are indeed the genuine dark blue shade. This shade can only be judged to be genuine if accompanied by a certificate of authenticity.

63c

Laid Paper

63d

Vertical pair, imperf horizontally

63e

Printed on both sides