Fig. 4.13: Forged Overprint Deep red. Diagonal line at center Malformed "9" and missing dash. Stamp olive bistre not olive green. Fig. 4.14: Forged Overprint Purple. Three dots at center. Raised "26" on year. Dot instead of dash. Fig. 4.15: Forged Overprint Black. Cross at center. Small "6" on year. Without dash. Fig. 4.16: Forged Overprint Violet black. Triangle at center. Lower "1" on year. Period instead of dash. Tip of broken propeller under "A". Fig. 4.17: Forged Handstamp Red violet. Small dot at center. "1926" slanted upwards. Dash touches "D" and "M". Fig. 4.18: Forged Overprint Purple. Small star at center. Raised "9" on year. Thick letters. Dash touches "M".