|
| 521 |  | 0.05$ Stamp Day 19761 pc 10 Pf. 1976  Germany |
| 522 |  | 0.26$ Radio Telescope1 pc 500 Pf. 1976 Germany |
| 523 |  | 0.01$ Lighthouse "Alte Weser"1 pc 20 Pf. 1976 Germany |
| 524 |  | 0.34$↑ 10 guaranies 19761 pc  Paraguay |
| 525 |  | 1 pc 5 pesos 1975 Chile |
| 526 |  | 0.09$ Marine Drilling Platform1 pc 200 Pf. 1975 Germany |
| 527 |  | 0.25$ Large Blast Furnace with Hot Blast Stove System1 pc 160 Pf. 1975 Germany |
| 528 |  | 0.14$ Power Station1 pc 140 Pf. 1975 Germany |
| 529 |  | 0.1$ Chemical Plant for the Production of Styrene1 pc 120 Pf. 1975 Germany |
| 530 |  | 0.02$ Lignite/Brown Coal Conveyor Excavator1 pc 100 Pf. 1975 Germany |
| 531 |  | 0.02$ Farm Tractor1 pc 80 Pf. 1975 Germany |
| 532 |  | 0.02$ Shipbuilding - Tanker Under Construction1 pc 70 Pf. 1975 Germany |
| 533 |  | 0.01$ Dish Aerial at Raisting Earth Station1 pc 50 Pf. 1975 Germany |
| 534 |  | 0.02$ Space Laboratory (Spacelab)1 pc 40 Pf. 1975 Germany |
| 535 |  | 0.02$ MBB-Bolkow Bo 105C Rescue Helicopter1 pc 30 Pf. 1975 Germany |
| 536 |  | 0.02$ Commuter Train ET 420/4211 pc 10 Pf. 1975 Germany |
| 537 |  | 0.09$ Communication Satellite Symphonie1 pc 5 Pf. 1975 Germany |
| 538 |  | 0.37$↑ 10 guaranies 19751 pc Paraguay |
| 539 |  | 0.91$↑ 50 centavos 19751 pc  Colombia |
| 540 |  | 0.53$↑ 1 peso 19751 pc Colombia |
Piece: 941
Total: 280$+