In 1955 and 1956, the Israel Postal Authority released a series of stamps showing symbols relating to the tribes of Israel.
Following is the stamp for Issachar, referring to 1 Chronicles 12:32:
Source: Israeli Philatelic Federation .
Issachar
Verse: 1Chr 12:32 · 1Chr 12:40 · 1Chr 2:1 · 1Chr 6:62 · 1Chr 6:72 · 1Chr 7:1 · 1Chr 7:5 · 1Kings 15:27 · 1Kings 4:17 · Deut 27:12 · Deut 33:18 · Exod 1:3 · Ezek 48:25 · Ezek 48:26 · Ezek 48:33 · Gen 30:18 · Gen 35:23 · Gen 46:13 · Gen 49:14 · Josh 17:10 · Josh 17:11 · Josh 19:17 · Josh 19:23 · Josh 21:28 · Josh 21:6 · Judg 10:1 · Judg 5:15 · Num 1:28 · Num 1:29 · Num 1:8 · Num 10:15 · Num 13:7 · Num 2:5 · Num 26:23 · Num 26:25 · Num 7:18 · Rev 7:7