Claude
This is an Australia Post Philatelic Group Christmas card for 1995, featuring a colorful cachet illustration by Bill Wood depicting Santa Claus riding a blue whale or dolphin with wrapped gifts nearby against a blue sky background. The interior contains a greeting message signed by David K. Maiden, Manager of the Philatelic Group, expressing appreciation for collector support during 1995. The stamp is a 45-cent Christmas Island Australia issue showing the same Santa and sea creature artwork, cancelled with a pictorial postmark from Christmas Hills, Yarra Glen, VIC featuring a small Santa/bell vignette dated 14 SEP 1995.
Mistral
The cachet artwork on the left side of the cover features Santa Claus riding a blue dolphin, holding a wrapped gift, with a cheerful expression on his face. The background is a light blue gradient, with 'Season's Greetings' written in an orange cursive font. The stamp, located on the lower right, depicts Santa Claus riding a blue whale with wrapped gifts, illustrated by Bill Wood. The postmark is a pictorial cancellation featuring a leaping kangaroo with a Christmas hat, dated 14 September 1995. The cover includes printed text expressing appreciation from Australia Post Philatelic Group and a signature from David K. Maiden, Manager of the Philatelic Group.
(The automatic summaries sometimes misidentify the postmark as part of the cachet artwork.)