Island Rhodes, admission stamp for air fieldpost letters perforated, variety "inverted overprint, faultless copy on falsified cover with faked railway cancel (TPO) "Brunswick - Uelzen (Bz. HNVR) 12.3.45", photo expertize Petry BPP (2019) : "the fresh stamp with brilliant colours is - as far as cognizable - in excellent condition, the difficult puncture separation is good arrive. Probably existing from the inverted overprint this admission stamp original 20 examples, whereby they to the rarest overprint varieties of all island post issues belongs! "