1942, boiler from Demjansk, R official letter with Standard stamp "b 725 10. 2. 42" and fieldpost R-slip of paper with handwritten Kenn number "725" as well letter cancel with army postal service number "22487 E ( = 12. company, 503. Infantry-regiment) to Neumünster with arrival postmark from 17. 2., cover above tiny shortened, else very fine, scarce, flown out post from the boiler!