Custom item.

code/game/objects/items/weapons/cards_ids.dm

@@ -101,6 +101,17 @@
 /obj/item/weapon/card/id/GetID()
 	return src
 
+/obj/item/weapon/card/id/attackby(obj/item/weapon/W as obj, mob/user as mob)
+	..()
+	if(istype(W,/obj/item/weapon/id_wallet))
+		user << "You slip [src] into [W]."
+		src.name = "[src.registered_name]'s [W.name] ([src.assignment])"
+		src.desc = W.desc
+		src.icon = W.icon
+		src.icon_state = W.icon_state
+		del(W)
+		return
+
 /obj/item/weapon/card/id/verb/read()
 	set name = "Read ID Card"
 	set category = "Object"

code/modules/customitems/item_defines.dm

@@ -276,6 +276,13 @@
 	icon_off = "oldcamera_off"
 	pictures_left = 30
 
+/obj/item/weapon/id_wallet/fluff/reese_mackenzie  //Reese MacKenzie - ThoseDernSquirrels
+
+	name = "ID wallet"
+	desc = "A wallet made of black leather, holding an ID and a gold badge that reads 'NT.' The ID has a small picture of a man, with the caption Reese James MacKenzie, with other pieces of information to the right of the picture."
+	icon = 'custom_items.dmi'
+	icon_state = "reesemackenzie"
+
 /obj/item/weapon/card/id/fluff/lifetime	//fastler: Fastler Greay; it seemed like something multiple people would have
 	name = "Lifetime ID Card"
 	desc = "A modified ID card given only to those people who have devoted their lives to the better interests of NanoTrasen. It sparkles blue."