MDS MONDAY WEEKLY CHALLENGE - WHITE ON WHITE

I really enjoyed creating for this week's MDS MONDAY BLOGSPOT challenge theme of "white on white"! I knew immediately that I wanted to do a card, and I was tempted to do a wedding card because of the colors. However, since I recently did a wedding card I decided to do Christmas instead - after all, it is not that far off! And, after this challenge, I have only two more challenge weeks as a guest designer and then I will be back to submitting my designs for the challenges as a player, as often as I can!
Here is this week's challenge sketch:

Here is my 5x7 Christmas card, with white on white plus a pop of red and some green:

During my creative process, I also made a version using Very Vanilla Textured Cardstock to fill the rectangle punch that makes the postcard background and shape. The colors and shadowing on the stamps overlayed on the punch are a little different than in the white version, otherwise everything else is the same. The vanilla gives it a more "aged" look than the white.

Details and Elements

Background DSP: Very Vanilla Patterns #3

Postcard base: Square Punch resized to a rectangle & filled with Textured Cardstock (Whisper White or Very Vanilla)

Stamps: Winter Post: "Postcard" in River Rock and "Santa Post" (postmark) in Sahara Sand; Thoughtful Overlays: "Post Frame" in Sahara Sand; Christmas Lodge: "Tree"-white with [green] shadow and "Merry Christmas" in Raspberry Ripple; Homestyle Goodies Kit: "Snowflake Kisses" Whisper White with shadow;

Old Saint Nick: Snowflake (image used four times, varied sizes incl. the larger one behind the postcard)-Whisper White with shadows

Ribbon medallion: Whisper White Taffeta Ribbon Knot (resized, then copied multiple times, flipped and mirrored some copies; rotated each to direction needed when overlapping them at the center); .
Embellishments:
Antique Brad on the center of the ribbon medallion
Basic Rhinestones on the centers of the three small snowflakes (at the tree top)