Designed, painted and signed by Dorothy Knapp in the period. This is from the Jarrett estate (see my book). Dorothy did a dozen or so of these one of a kind combo covers with unique designs for Jarrett.
This item is in the category "Stamps\United States\Covers\FDCs (pre-1951)\1941-50". The seller is "weiszcovers" and is located in this country: US. This item can be shipped worldwide.