diff --git a/DocumentOperator.Domain/Models/ValueObjects/PredefinedStampType.cs b/DocumentOperator.Domain/Models/ValueObjects/PredefinedStampType.cs
new file mode 100644
index 0000000..e564fcd
--- /dev/null
+++ b/DocumentOperator.Domain/Models/ValueObjects/PredefinedStampType.cs
@@ -0,0 +1,32 @@
+namespace DocumentOperator.Domain.Models.ValueObjects;
+
+/// <summary>
+/// Predefined stamp types with standard text and styling.
+/// </summary>
+public enum PredefinedStampType
+{
+    /// <summary>
+    /// CONFIDENTIAL stamp (red, bold).
+    /// </summary>
+    Confidential,
+
+    /// <summary>
+    /// APPROVED stamp (green, bold).
+    /// </summary>
+    Approved,
+
+    /// <summary>
+    /// DRAFT stamp (gray, italic).
+    /// </summary>
+    Draft,
+
+    /// <summary>
+    /// VOID stamp (red, strikethrough effect).
+    /// </summary>
+    Void,
+
+    /// <summary>
+    /// FOR REVIEW stamp (orange, bold).
+    /// </summary>
+    ForReview
+}
diff --git a/DocumentOperator.Domain/Models/ValueObjects/StampPlacement.cs b/DocumentOperator.Domain/Models/ValueObjects/StampPlacement.cs
new file mode 100644
index 0000000..cc1af26
--- /dev/null
+++ b/DocumentOperator.Domain/Models/ValueObjects/StampPlacement.cs
@@ -0,0 +1,17 @@
+namespace DocumentOperator.Domain.Models.ValueObjects;
+
+/// <summary>
+/// Specifies whether the stamp should appear in the foreground (on top of content) or background (behind content).
+/// </summary>
+public enum StampPlacement
+{
+    /// <summary>
+    /// Stamp appears on top of existing page content.
+    /// </summary>
+    Foreground,
+
+    /// <summary>
+    /// Stamp appears behind existing page content (watermark effect).
+    /// </summary>
+    Background
+}
diff --git a/DocumentOperator.Domain/Models/ValueObjects/StampType.cs b/DocumentOperator.Domain/Models/ValueObjects/StampType.cs
new file mode 100644
index 0000000..e54d924
--- /dev/null
+++ b/DocumentOperator.Domain/Models/ValueObjects/StampType.cs
@@ -0,0 +1,22 @@
+namespace DocumentOperator.Domain.Models.ValueObjects;
+
+/// <summary>
+/// Specifies the type of stamp to add to a PDF document.
+/// </summary>
+public enum StampType
+{
+    /// <summary>
+    /// Text-based stamp with custom text, font, and color.
+    /// </summary>
+    Text,
+
+    /// <summary>
+    /// Image-based stamp (PNG/JPEG overlay).
+    /// </summary>
+    Image,
+
+    /// <summary>
+    /// Predefined stamp with standard text (e.g., CONFIDENTIAL, APPROVED).
+    /// </summary>
+    Predefined
+}