1948 domestic 2nd postage rate period taxed mail: 29-12-1948 commercial cover on business stationary from JERUSALEM to TEL AVIV mailed unfranked & tied by JERUSALEM 2 postmark (sorting office; probably a cover deposited unfranked in a mail collection box) and taxed 30 Prutot (twice the period 15 Pr letter rate), marked by Mandate "to pay" boxed cachet and paid using 3x 10pr Ba #PD3 franks tied by 2-1-1949 TEL AVIV-28 postmark; re-routed to post office box; slit open at top; scarce multiple franking; estimated value $180+